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Caldwell Mason / Okuhama Derek (Guam / Guam)
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 World: Davis Cup - Group IV - Relegation - Play Offs | |||||||
|---|---|---|---|---|---|---|---|
| Caldwell M./Okuhama D. | Al-Shammari M./Hatem A. A. | CAN. | details | 21.10.2023 | |||
| World: Davis Cup - Group IV - Doubles - Main | |||||||
| Charyyev H./Gurbanov A. | Caldwell M./Okuhama D. | 2:0 (6:3, 7:66) | details | 20.10.2023 | |||
| Gurbanov A./Rogusskiy Y. | Caldwell M./Okuhama D. | CAN. | details | 20.10.2023 | |||
| Kistanov K./Mirdzhaliev M. | Caldwell M./Okuhama D. | 2:0 (7:63, 7:62) | details | 19.10.2023 | |||
| Alabdullah B./Qabazard E. | Caldwell M./Okuhama D. | CAN. | details | 18.10.2023 | |||
| Mubarak A./Qabazard E. | Caldwell M./Okuhama D. | 2:0 (6:2, 6:1) | details | 18.10.2023 | |||
| World: Davis Cup - Group IV - Doubles - Placement matches | |||||||
| Singye Dorji T./Wangchuk T. | Caldwell M./Okuhama D. | 0:2 (4:6, 5:7) | details | 22.10.2022 | |||
| World: Davis Cup - Group IV - Doubles - Main | |||||||
| Al Toobli F./Alqattan E. | Caldwell M./Okuhama D. | 1:2 (1:6, 7:63, 3:6) | details | 18.10.2022 | |||
| World: Davis Cup - Group IV - Doubles - Main | |||||||
| Caldwell M./Okuhama D. | Abdulnabi H./Qaed Y. | 1:2 (5:7, 6:4, 3:6) | details | 22.10.2021 | |||