 Australia: Australian Open - Doubles - Main |
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| 1/16-finals | Hijikata R./Schoolkate T. | Peers J./Polasek F. | 1:2 (1:6, 6:3, 1:6) | details | 21.01.2022 |
| 1/32-finals | Reid M./Thompson J. | Hijikata R./Schoolkate T. | 1:2 (6:4, 3:6, 2:6) | details | 19.01.2022 |
 Switzerland: M25 Sierre - Doubles - Main |
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| Semi-finals | Hijikata R./Schoolkate T. | Bertola R./Castelnuovo L. | 1:2 (4:6, 7:61, 12:14) | details | 02.09.2021 |
| Quarter-finals | Breut L./Minc C. | Hijikata R./Schoolkate T. | 0:2 (5:7, 2:6) | details | 01.09.2021 |
| 1/8-finals | Hijikata R./Schoolkate T. | Pozzi D./Weis A. | 2:0 (7:64, 6:3) | details | 31.08.2021 |
| Switzerland: M25 Caslano - Doubles - Main |
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| 1/8-finals | Bertola R./Ricca G. | Hijikata R./Schoolkate T. | 2:0 (7:5, 6:4) | details | 24.08.2021 |
| Switzerland: M25 Muttenz - Doubles - Main |
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| 1/8-finals | Moghini G./Parizzia N. | Hijikata R./Schoolkate T. | 2:1 (3:6, 7:67, 10:7) | details | 17.08.2021 |
 USA: US Open - Doubles - Main |
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| 1/8-finals | Hijikata R./Schoolkate T. | Ionel N. D./Marek W. | 0:2 (4:6, 63:7) | details | 04.09.2019 |
| 1/16-finals | Baadi T./Svrcina D. | Hijikata R./Schoolkate T. | 0:2 (1:6, 2:6) | details | 03.09.2019 |
