 USA: M25 Decatur, IL - Doubles - Main |
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| 1/8-finals | Takahashi Y./Yamasaki J. | Kenyatte K./Montsi S. | 1:2 (2:6, 7:5, 9:11) | details | 03.08.2021 |
| USA: M25 Champaign, IL - Doubles - Main |
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| Quarter-finals | Takahashi Y./Yamasaki J. | Shelton B./Spizzirri E. | 0:2 (1:6, 2:6) | details | 30.07.2021 |
| 1/8-finals | Takahashi Y./Yamasaki J. | Takeuchi K./Zhu E. | 2:0 (6:1, 6:4) | details | 27.07.2021 |
 Egypt: M15 Sharm El Sheikh 4 - Doubles - Main |
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| Final | Hsu Y. H./Imai S. | Takahashi Y./Yamasaki J. | 2:0 (7:5, 6:4) | details | 27.02.2021 |
| Semi-finals | Takahashi Y./Yamasaki J. | Paul J./Podzus M. | 2:0 (6:1, 6:3) | details | 26.02.2021 |
| Quarter-finals | Bosio G./Vincent Ruggeri S. | Takahashi Y./Yamasaki J. | 0:2 (3:6, 3:6) | details | 25.02.2021 |
| 1/8-finals | Takahashi Y./Yamasaki J. | Noguchi R./Shimabukuro S. | 2:1 (2:6, 7:63, 10:6) | details | 23.02.2021 |
 Japan: Toyota - Doubles - Main |
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| 1/8-finals | Draganja M./Pavic M. | Takahashi Y./Yamasaki J. | 2:0 (7:64, 6:2) | details | 18.11.2013 |
