World: Davis Cup - World Group I - Doubles - Main |
| | Mochizuki S./Watanuki Y. | Barrientos N./Rodriguez C. | 1:2 (7:64, 2:6, 3:6) | dettagli | 15.09.2024 |
| | Nishikori K./Watanuki Y. | Barrientos N./Rodriguez C. | CAN. | dettagli | 15.09.2024 |
China: Shanghai - Doubles - Main |
| Quarter-finals | Rodriguez C./Romios M. C. | Shimabukuro S./Watanuki Y. | WO. | dettagli | 05.09.2024 |
| 1/8-finals | Mott B./Pannu K. | Shimabukuro S./Watanuki Y. | 0:2 (2:6, 2:6) | dettagli | 04.09.2024 |
| 1/8-finals | Barrios Vera T./Garin C. | Shimabukuro S./Watanuki Y. | CAN. | dettagli | 04.09.2024 |
World: Davis Cup - World Group I - Doubles - Preliminary |
| | Habib H./Hassan B. | Nishioka Y./Watanuki Y. | 0:2 (5:7, 5:7) | dettagli | 03.02.2024 |
Japan: Tokyo - Doubles - Main |
| Quarter-finals | Shimabukuro S./Watanuki Y. | Hijikata R./Purcell M. | 0:2 (66:7, 4:6) | dettagli | 19.10.2023 |
| 1/8-finals | Mektic N./Peers J. | Shimabukuro S./Watanuki Y. | 0:2 (4:6, 2:6) | dettagli | 16.10.2023 |