| Match History (2017) | View Advanced Player Stats |
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Koby Kosaki (Hilo, HI)
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| Match Date | Match | Team | Court | Partner | Opponent(s) | W/L | Result | Match | TTR |
| 11/10/2017 | Tournament B16s |
Holua Jr Fall Open (L5) | 16 | Aidan Rooney | L | 6-0 6-4 |
NC | NC | |
| 11/10/2017 | Tournament B16s |
Holua Jr Fall Open (L5) | C-QQ | Noa Roth | L | 8-5 | NC | NC | |
| 10/01/2017 | Tournament B16s |
North Hawaii Tennis Assoc. Junior Championship(L5) | C-F | Joshua-Taylor Kim | L | 8-1 | NC | NC | |
| 10/01/2017 | Tournament B16s |
North Hawaii Tennis Assoc. Junior Championship(L5) | C-S | Sean Frogley | W | 8-2 | NC | NC | |
| 10/01/2017 | Tournament B16s |
North Hawaii Tennis Assoc. Junior Championship(L5) | C-Q | Conner Yoshimoto | W | 8-6 | NC | NC | |
| 09/30/2017 | Tournament B16s |
North Hawaii Tennis Assoc. Junior Championship(L5) | 16 | Joshua-Taylor Kim | L | 6-4 6-2 |
NC | NC | |
| 07/23/2017 | Tournament B16s |
Hilo Summer Jr. Open (L5) | C-F | Elisha Watkins | W | 8-4 | NC | NC | |
| 07/23/2017 | Tournament B16s |
Hilo Summer Jr. Open (L5) | C-S | Bruin Yomono | W | 8-2 | NC | NC | |
| 07/22/2017 | Tournament B16s |
Hilo Summer Jr. Open (L5) | Q | Elisha Watkins | L | 2-6 7-6 1-0 |
NC | NC | |
| 07/22/2017 | Tournament B16s |
Hilo Summer Jr. Open (L5) | C-SQ | Conner Yoshimoto | W | 8-6 | NC | NC | |
| 07/02/2017 | Tournament B16s |
Holua Jr. Summer Open (L6) | F | Lucas Chun | L | 6-2 6-4 |
NC | NC | |
| 07/01/2017 | Tournament B16s |
Holua Jr. Summer Open (L6) | S | Colby Kudo | W | 3-6 6-3 6-0 |
NC | NC | |
| 05/28/2017 | Tournament B16s |
West Hawaii District Jr Championships (L5) | C-Q | Lucas Chun | L | 8-4 | NC | NC | |
| 05/27/2017 | Tournament B16s |
West Hawaii District Jr Championships (L5) | 16 | Noa Roth | L | 3-6 6-4 6-3 |
NC | NC | |
| 01/08/2017 | Tournament B16s |
Hilo Winter Jr. Open (L6) | C-F | Lucas Chun | L | 8-2 | NC | NC | |
| 01/07/2017 | Tournament B16s |
Hilo Winter Jr. Open (L6) | C-S | Dillon Tsuchiya | W | 8-0 | NC | NC | |
| 01/06/2017 | Tournament B16s |
Hilo Winter Jr. Open (L6) | Q | Lucas Chun | L | 6-2 6-0 |
NC | NC |
| Holua Jr Fall Open (L5) | ||
| 11/10/2017 | 16 | Tournament B16s |
| L | ||
| 6-0 6-4 |
Aidan Rooney | |
| Match: NC | TTR: NC | |
| Holua Jr Fall Open (L5) | ||
| 11/10/2017 | C-QQ | Tournament B16s |
| L | ||
| 8-5 | Noa Roth | |
| Match: NC | TTR: NC | |
| North Hawaii Tennis Assoc. Junior Championship(L5) | ||
| 10/01/2017 | C-F | Tournament B16s |
| L | ||
| 8-1 | Joshua-Taylor Kim | |
| Match: NC | TTR: NC | |
| North Hawaii Tennis Assoc. Junior Championship(L5) | ||
| 10/01/2017 | C-S | Tournament B16s |
| W | ||
| 8-2 | Sean Frogley | |
| Match: NC | TTR: NC | |
| North Hawaii Tennis Assoc. Junior Championship(L5) | ||
| 10/01/2017 | C-Q | Tournament B16s |
| W | ||
| 8-6 | Conner Yoshimoto | |
| Match: NC | TTR: NC | |
| North Hawaii Tennis Assoc. Junior Championship(L5) | ||
| 09/30/2017 | 16 | Tournament B16s |
| L | ||
| 6-4 6-2 |
Joshua-Taylor Kim | |
| Match: NC | TTR: NC | |
| Hilo Summer Jr. Open (L5) | ||
| 07/23/2017 | C-F | Tournament B16s |
| W | ||
| 8-4 | Elisha Watkins | |
| Match: NC | TTR: NC | |
| Hilo Summer Jr. Open (L5) | ||
| 07/23/2017 | C-S | Tournament B16s |
| W | ||
| 8-2 | Bruin Yomono | |
| Match: NC | TTR: NC | |
| Hilo Summer Jr. Open (L5) | ||
| 07/22/2017 | Q | Tournament B16s |
| L | ||
| 2-6 7-6 1-0 |
Elisha Watkins | |
| Match: NC | TTR: NC | |
| Hilo Summer Jr. Open (L5) | ||
| 07/22/2017 | C-SQ | Tournament B16s |
| W | ||
| 8-6 | Conner Yoshimoto | |
| Match: NC | TTR: NC | |
| Holua Jr. Summer Open (L6) | ||
| 07/02/2017 | F | Tournament B16s |
| L | ||
| 6-2 6-4 |
Lucas Chun | |
| Match: NC | TTR: NC | |
| Holua Jr. Summer Open (L6) | ||
| 07/01/2017 | S | Tournament B16s |
| W | ||
| 3-6 6-3 6-0 |
Colby Kudo | |
| Match: NC | TTR: NC | |
| West Hawaii District Jr Championships (L5) | ||
| 05/28/2017 | C-Q | Tournament B16s |
| L | ||
| 8-4 | Lucas Chun | |
| Match: NC | TTR: NC | |
| West Hawaii District Jr Championships (L5) | ||
| 05/27/2017 | 16 | Tournament B16s |
| L | ||
| 3-6 6-4 6-3 |
Noa Roth | |
| Match: NC | TTR: NC | |
| Hilo Winter Jr. Open (L6) | ||
| 01/08/2017 | C-F | Tournament B16s |
| L | ||
| 8-2 | Lucas Chun | |
| Match: NC | TTR: NC | |
| Hilo Winter Jr. Open (L6) | ||
| 01/07/2017 | C-S | Tournament B16s |
| W | ||
| 8-0 | Dillon Tsuchiya | |
| Match: NC | TTR: NC | |
| Hilo Winter Jr. Open (L6) | ||
| 01/06/2017 | Q | Tournament B16s |
| L | ||
| 6-2 6-0 |
Lucas Chun | |
| 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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