| Match History (2019) | View Advanced Player Stats |
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Antonia Kostoff (Rancho Santa Margarita, CA)
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| Match Date | Match | Team | Court | Partner | Opponent(s) | W/L | Result | Match | TTR |
| 12/21/2019 | Tournament G16s |
Costa Mesa Holiday Classic Open (Level 5) | 16 | Seevan Ghazi | L | 6-3 6-0 |
NC | NC | |
| 12/15/2019 | Tournament G16s |
Panther Tennis Winter Junior Open Tournament (Level 5) | S | Morgan Shaffer | L | 6-1 6-1 |
NC | NC | |
| 12/15/2019 | Tournament G16s |
Panther Tennis Winter Junior Open Tournament (Level 5) | Q | Kate Kwon | W | 6-1 6-2 |
NC | NC | |
| 12/14/2019 | Tournament G16s |
Panther Tennis Winter Junior Open Tournament (Level 5) | 16 | sydnee spirlin | W | Def | ----- | ----- | |
| 12/01/2019 | Tournament G16d |
Laguna Niguel Racquet Club Thanksgiving Junior Open (Level 4) | S | Bailey Smolinski |
Makenna Martinez Maxine Murphy |
L | 8-1 | NC | NC |
| 12/01/2019 | Tournament G16d |
Laguna Niguel Racquet Club Thanksgiving Junior Open (Level 4) | Q | Bailey Smolinski |
Caroline Allemann GG Banducci |
W | 8-2 | NC | NC |
| 11/30/2019 | Tournament G16s |
Laguna Niguel Racquet Club Thanksgiving Junior Open (Level 4) | 16 | Saige Nicholas | L | 6-3 3-6 1-0 |
NC | NC | |
| 10/24/2019 | Tournament G18s |
Marguerite Girls All California High School Tennis Tournament (Level 3) | 32 | Miriam Bridger | L | Def | ----- | ----- | |
| 10/19/2019 | Tournament G16s |
Head/PENN Fall Classic at RCI (Level 4) | 16 | Meleana Helu | L | 6-4 6-2 |
NC | NC | |
| 10/12/2019 | Tournament G16s |
16th Annual Ramada Junior Open Championships (Level 5) | 32 | Sydney Tamondong | L | 7-5 3-6 1-0 |
NC | NC | |
| 09/21/2019 | Tournament G16s |
MPTA Fall Junior Open Championships (Level 5) | Q | Athena Wardy | L | 6-2 6-3 |
NC | NC | |
| 09/21/2019 | Tournament G16s |
MPTA Fall Junior Open Championships (Level 5) | 16 | Ria Achuthan | W | 6-0 6-0 |
NC | NC | |
| 09/15/2019 | Tournament G16s |
RCI Fast Four Junior Tournament (Level 5) *New Format | S | Elina Shalaev | L | 4-3 0-4 1-0 |
NC | NC | |
| 09/14/2019 | Tournament G16s |
RCI Fast Four Junior Tournament (Level 5) *New Format | RR | Sophia Rajput | W | 4-1 4-2 |
NC | NC | |
| 09/14/2019 | Tournament G16s |
RCI Fast Four Junior Tournament (Level 5) *New Format | RR | Ashlyn Pradier | W | 4-1 1-4 1-0 |
NC | NC | |
| 09/14/2019 | Tournament G16s |
RCI Fast Four Junior Tournament (Level 5) *New Format | RR | Lily Vu | W | 4-2 4-3 |
NC | NC | |
| 09/07/2019 | Tournament G16s |
34th Annual Los Caballeros Junior Tournament (Level 3) | 32 | Arianna Audelo | L | 6-0 6-0 |
NC | NC | |
| 09/07/2019 | Tournament G16s |
34th Annual Los Caballeros Junior Tournament (Level 3) | 64 | Chloe Chang | W | 6-1 6-0 |
NC | NC | |
| 08/17/2019 | Tournament G16s |
Safe Passage Tennis Jr. Open Tournament (Level 5) | Q | Emily Robertson | L | 6-0 6-4 |
NC | NC | |
| 08/08/2019 | Tournament G16s |
August Heat Junior Open (Level 5) | F | Sydney Vo | W | 6-3 6-2 |
NC | NC | |
| 08/07/2019 | Tournament G16s |
August Heat Junior Open (Level 5) | S | Ashlyn Pradier | W | 6-1 6-1 |
NC | NC | |
| 08/06/2019 | Tournament G16s |
August Heat Junior Open (Level 5) | Q | Elizabeth Marquiss | W | 6-0 6-0 |
NC | NC | |
| 07/27/2019 | Tournament G16s |
MPTA Summer Junior Open Championships (Level 5) | 16 | Jane Paulsen | L | 0-6 6-4 1-0 |
NC | NC | |
| 07/16/2019 | Tournament G16s |
So. Calif. - Lakewood Summer Junior (Level 5) | 32 | Emilia Chrostowski | L | 6-2 7-5 |
NC | NC | |
| 07/06/2019 | Tournament G16s |
17th Annual Panther Tennis Junior Open Tournament (Level 5) | S | Solaya Han | L | 2-6 6-0 1-0 |
NC | NC | |
| 06/30/2019 | Tournament G16s |
17th Annual Panther Tennis Junior Open Tournament (Level 5) | Q | Brianna Figueroa | W | 6-2 1-6 1-0 |
NC | NC | |
| 06/29/2019 | Tournament G16s |
17th Annual Panther Tennis Junior Open Tournament (Level 5) | 16 | Justine Gotico | W | 6-3 6-2 |
NC | NC | |
| 06/23/2019 | Tournament G16s |
Glendora Spring Championships (Level 5) | Q | Gabrielle Dooling | L | 6-3 6-0 |
NC | NC | |
| 06/22/2019 | Tournament G16s |
Glendora Spring Championships (Level 5) | 16 | Abigale Dawit | W | 6-3 2-6 1-0 |
NC | NC | |
| 06/07/2019 | Tournament G16d |
19th Annual Laguna Niguel Junior Open Tournament (Level 5) | F | Layla Gravelle |
Natasha Nicholas Saige Nicholas |
L | Def | ----- | ----- |
| 06/06/2019 | Tournament G18s |
19th Annual Laguna Niguel Junior Open Tournament (Level 5) | S | Aniya Holloway | L | 7-6 6-2 |
NC | NC | |
| 05/26/2019 | Tournament G16s |
23rd West Coast Junior Open - Lakewood (Level 5) | S | GG Banducci | L | 7-5 7-6 |
NC | NC | |
| 05/26/2019 | Tournament G16s |
23rd West Coast Junior Open - Lakewood (Level 5) | Q | Noelle Winter | W | 6-3 6-4 |
NC | NC | |
| 05/25/2019 | Tournament G16s |
23rd West Coast Junior Open - Lakewood (Level 5) | 16 | Sarah Moriel | W | 6-1 6-3 |
NC | NC | |
| 04/21/2019 | Tournament G16s |
Woodbridge Tennis Club Spring Junior Open Tournament (Level 5) | Q | Kristina Veskovic | L | 6-2 6-2 |
NC | NC | |
| 04/20/2019 | Tournament G16s |
Woodbridge Tennis Club Spring Junior Open Tournament (Level 5) | 16 | kennedy layne | W | 6-1 6-3 |
NC | NC | |
| 04/20/2019 | Tournament G16s |
Woodbridge Tennis Club Spring Junior Open Tournament (Level 5) | 32 | Emilia Chrostowski | W | 6-3 6-1 |
NC | NC | |
| 01/26/2019 | Tournament G16s |
Manhattan Beach Winter Junior Open (Level 5) | 32 | Layla Gravelle | L | 6-4 6-0 |
NC | NC | |
| 01/20/2019 | Tournament G16s |
37th Annual SCTA Junior Satellite Masters Invitational Tournament (Level 4) | 16 | Emma Victor | L | 3-6 6-3 1-0 |
NC | NC | |
| 01/19/2019 | Tournament G16s |
37th Annual SCTA Junior Satellite Masters Invitational Tournament (Level 4) | 32 | Grace Ortiz | W | 6-4 6-3 |
NC | NC | |
| 01/06/2019 | Tournament G16s |
4th Annual Warner Tennis Center "New Year" Junior Open (Level 5) | 16 | Ryan Baumann | L | 6-3 6-1 |
NC | NC |
| Costa Mesa Holiday Classic Open (Level 5) | ||
| 12/21/2019 | 16 | Tournament G16s |
| L | ||
| 6-3 6-0 |
Seevan Ghazi | |
| Match: NC | TTR: NC | |
| Panther Tennis Winter Junior Open Tournament (Level 5) | ||
| 12/15/2019 | S | Tournament G16s |
| L | ||
| 6-1 6-1 |
Morgan Shaffer | |
| Match: NC | TTR: NC | |
| Panther Tennis Winter Junior Open Tournament (Level 5) | ||
| 12/15/2019 | Q | Tournament G16s |
| W | ||
| 6-1 6-2 |
Kate Kwon | |
| Match: NC | TTR: NC | |
| Panther Tennis Winter Junior Open Tournament (Level 5) | ||
| 12/14/2019 | 16 | Tournament G16s |
| W | ||
| Def | sydnee spirlin | |
| Match: ----- | TTR: ----- | |
| Laguna Niguel Racquet Club Thanksgiving Junior Open (Level 4) | ||
| 12/01/2019 | S | Tournament G16d |
| L | ||
| Bailey Smolinski | 8-1 |
Makenna Martinez Maxine Murphy |
| Match: NC | TTR: NC | |
| Laguna Niguel Racquet Club Thanksgiving Junior Open (Level 4) | ||
| 12/01/2019 | Q | Tournament G16d |
| W | ||
| Bailey Smolinski | 8-2 |
Caroline Allemann GG Banducci |
| Match: NC | TTR: NC | |
| Laguna Niguel Racquet Club Thanksgiving Junior Open (Level 4) | ||
| 11/30/2019 | 16 | Tournament G16s |
| L | ||
| 6-3 3-6 1-0 |
Saige Nicholas | |
| Match: NC | TTR: NC | |
| Marguerite Girls All California High School Tennis Tournament (Level 3) | ||
| 10/24/2019 | 32 | Tournament G18s |
| L | ||
| Def | Miriam Bridger | |
| Match: ----- | TTR: ----- | |
| Head/PENN Fall Classic at RCI (Level 4) | ||
| 10/19/2019 | 16 | Tournament G16s |
| L | ||
| 6-4 6-2 |
Meleana Helu | |
| Match: NC | TTR: NC | |
| 16th Annual Ramada Junior Open Championships (Level 5) | ||
| 10/12/2019 | 32 | Tournament G16s |
| L | ||
| 7-5 3-6 1-0 |
Sydney Tamondong | |
| Match: NC | TTR: NC | |
| MPTA Fall Junior Open Championships (Level 5) | ||
| 09/21/2019 | Q | Tournament G16s |
| L | ||
| 6-2 6-3 |
Athena Wardy | |
| Match: NC | TTR: NC | |
| MPTA Fall Junior Open Championships (Level 5) | ||
| 09/21/2019 | 16 | Tournament G16s |
| W | ||
| 6-0 6-0 |
Ria Achuthan | |
| Match: NC | TTR: NC | |
| RCI Fast Four Junior Tournament (Level 5) *New Format | ||
| 09/15/2019 | S | Tournament G16s |
| L | ||
| 4-3 0-4 1-0 |
Elina Shalaev | |
| Match: NC | TTR: NC | |
| RCI Fast Four Junior Tournament (Level 5) *New Format | ||
| 09/14/2019 | RR | Tournament G16s |
| W | ||
| 4-1 4-2 |
Sophia Rajput | |
| Match: NC | TTR: NC | |
| RCI Fast Four Junior Tournament (Level 5) *New Format | ||
| 09/14/2019 | RR | Tournament G16s |
| W | ||
| 4-1 1-4 1-0 |
Ashlyn Pradier | |
| Match: NC | TTR: NC | |
| RCI Fast Four Junior Tournament (Level 5) *New Format | ||
| 09/14/2019 | RR | Tournament G16s |
| W | ||
| 4-2 4-3 |
Lily Vu | |
| Match: NC | TTR: NC | |
| 34th Annual Los Caballeros Junior Tournament (Level 3) | ||
| 09/07/2019 | 32 | Tournament G16s |
| L | ||
| 6-0 6-0 |
Arianna Audelo | |
| Match: NC | TTR: NC | |
| 34th Annual Los Caballeros Junior Tournament (Level 3) | ||
| 09/07/2019 | 64 | Tournament G16s |
| W | ||
| 6-1 6-0 |
Chloe Chang | |
| Match: NC | TTR: NC | |
| Safe Passage Tennis Jr. Open Tournament (Level 5) | ||
| 08/17/2019 | Q | Tournament G16s |
| L | ||
| 6-0 6-4 |
Emily Robertson | |
| Match: NC | TTR: NC | |
| August Heat Junior Open (Level 5) | ||
| 08/08/2019 | F | Tournament G16s |
| W | ||
| 6-3 6-2 |
Sydney Vo | |
| Match: NC | TTR: NC | |
| August Heat Junior Open (Level 5) | ||
| 08/07/2019 | S | Tournament G16s |
| W | ||
| 6-1 6-1 |
Ashlyn Pradier | |
| Match: NC | TTR: NC | |
| August Heat Junior Open (Level 5) | ||
| 08/06/2019 | Q | Tournament G16s |
| W | ||
| 6-0 6-0 |
Elizabeth Marquiss | |
| Match: NC | TTR: NC | |
| MPTA Summer Junior Open Championships (Level 5) | ||
| 07/27/2019 | 16 | Tournament G16s |
| L | ||
| 0-6 6-4 1-0 |
Jane Paulsen | |
| Match: NC | TTR: NC | |
| So. Calif. - Lakewood Summer Junior (Level 5) | ||
| 07/16/2019 | 32 | Tournament G16s |
| L | ||
| 6-2 7-5 |
Emilia Chrostowski | |
| Match: NC | TTR: NC | |
| 17th Annual Panther Tennis Junior Open Tournament (Level 5) | ||
| 07/06/2019 | S | Tournament G16s |
| L | ||
| 2-6 6-0 1-0 |
Solaya Han | |
| Match: NC | TTR: NC | |
| 17th Annual Panther Tennis Junior Open Tournament (Level 5) | ||
| 06/30/2019 | Q | Tournament G16s |
| W | ||
| 6-2 1-6 1-0 |
Brianna Figueroa | |
| Match: NC | TTR: NC | |
| 17th Annual Panther Tennis Junior Open Tournament (Level 5) | ||
| 06/29/2019 | 16 | Tournament G16s |
| W | ||
| 6-3 6-2 |
Justine Gotico | |
| Match: NC | TTR: NC | |
| Glendora Spring Championships (Level 5) | ||
| 06/23/2019 | Q | Tournament G16s |
| L | ||
| 6-3 6-0 |
Gabrielle Dooling | |
| Match: NC | TTR: NC | |
| Glendora Spring Championships (Level 5) | ||
| 06/22/2019 | 16 | Tournament G16s |
| W | ||
| 6-3 2-6 1-0 |
Abigale Dawit | |
| Match: NC | TTR: NC | |
| 19th Annual Laguna Niguel Junior Open Tournament (Level 5) | ||
| 06/07/2019 | F | Tournament G16d |
| L | ||
| Layla Gravelle | Def |
Natasha Nicholas Saige Nicholas |
| Match: ----- | TTR: ----- | |
| 19th Annual Laguna Niguel Junior Open Tournament (Level 5) | ||
| 06/06/2019 | S | Tournament G18s |
| L | ||
| 7-6 6-2 |
Aniya Holloway | |
| Match: NC | TTR: NC | |
| 23rd West Coast Junior Open - Lakewood (Level 5) | ||
| 05/26/2019 | S | Tournament G16s |
| L | ||
| 7-5 7-6 |
GG Banducci | |
| Match: NC | TTR: NC | |
| 23rd West Coast Junior Open - Lakewood (Level 5) | ||
| 05/26/2019 | Q | Tournament G16s |
| W | ||
| 6-3 6-4 |
Noelle Winter | |
| Match: NC | TTR: NC | |
| 23rd West Coast Junior Open - Lakewood (Level 5) | ||
| 05/25/2019 | 16 | Tournament G16s |
| W | ||
| 6-1 6-3 |
Sarah Moriel | |
| Match: NC | TTR: NC | |
| Woodbridge Tennis Club Spring Junior Open Tournament (Level 5) | ||
| 04/21/2019 | Q | Tournament G16s |
| L | ||
| 6-2 6-2 |
Kristina Veskovic | |
| Match: NC | TTR: NC | |
| Woodbridge Tennis Club Spring Junior Open Tournament (Level 5) | ||
| 04/20/2019 | 16 | Tournament G16s |
| W | ||
| 6-1 6-3 |
kennedy layne | |
| Match: NC | TTR: NC | |
| Woodbridge Tennis Club Spring Junior Open Tournament (Level 5) | ||
| 04/20/2019 | 32 | Tournament G16s |
| W | ||
| 6-3 6-1 |
Emilia Chrostowski | |
| Match: NC | TTR: NC | |
| Manhattan Beach Winter Junior Open (Level 5) | ||
| 01/26/2019 | 32 | Tournament G16s |
| L | ||
| 6-4 6-0 |
Layla Gravelle | |
| Match: NC | TTR: NC | |
| 37th Annual SCTA Junior Satellite Masters Invitational Tournament (Level 4) | ||
| 01/20/2019 | 16 | Tournament G16s |
| L | ||
| 3-6 6-3 1-0 |
Emma Victor | |
| Match: NC | TTR: NC | |
| 37th Annual SCTA Junior Satellite Masters Invitational Tournament (Level 4) | ||
| 01/19/2019 | 32 | Tournament G16s |
| W | ||
| 6-4 6-3 |
Grace Ortiz | |
| Match: NC | TTR: NC | |
| 4th Annual Warner Tennis Center "New Year" Junior Open (Level 5) | ||
| 01/06/2019 | 16 | Tournament G16s |
| L | ||
| 6-3 6-1 |
Ryan Baumann | |
| Match: NC | TTR: NC | |
| Glossary |
| Match | Player TTR for individual match. |
| TTR | TTR after completed match. |
| NC | Match not calculated into TTR yet. |
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Privacy Policy | Sitemap