| Player Profile | View Advanced Player Stats |
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Jonathan Koo (Mercer Island, WA)
Male |
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| Matches: | Overall | Adult | Mixed | Adult 18+ | Mixed 18+ | Tournaments |
| Match Type: | All | Singles | Doubles |
| All Matches | Total Matches |
Win | Loss | WPct | Total Sets |
Win | Loss | WPct | Total Games |
Win | Loss | WPct | Defaults |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0.0 | 0 |
| 2024 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0.0 | 0 |
| 2023 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0.0 | 0 |
| 2022 | 2 | 1 | 1 | 50.0 | 5 | 2 | 3 | 40.0 | 36 | 14 | 22 | 38.9 | 0 |
| 2021 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0.0 | 0 |
| 2020 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0.0 | 0 |
| 2019 | 4 | 2 | 2 | 50.0 | 10 | 4 | 6 | 40.0 | 76 | 33 | 43 | 43.4 | 0 |
| 2018 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0.0 | 0 |
| 2017 | 6 | 5 | 1 | 83.3 | 13 | 11 | 2 | 84.6 | 95 | 70 | 25 | 73.7 | 0 |
| 2016 | 2 | 2 | 0 | 100.0 | 5 | 4 | 1 | 80.0 | 35 | 23 | 12 | 65.7 | 0 |
| 2015 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0.0 | 0 |
| 2014 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0.0 | 0 | 0 | 0 | 0.0 | 0 |
| Total | 14 | 10 | 4 | 71.4 | 33 | 21 | 12 | 63.6 | 242 | 140 | 102 | 57.9 | 0 |
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