 Colombia: M25 Mosquera - Doubles - Main |
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| Semi-finals | Lock B./Lock C. | Altamirano C./Vithoontien L. | 2:0 (6:4, 7:5) | details | 27.04.2024 |
| 1/8-finals | Denisov I./Sheyngezikht L. | Altamirano C./Vithoontien L. | 0:2 (4:6, 1:6) | details | 25.04.2024 |
| Quarter-finals | Altamirano C./Vithoontien L. | Ogura K./Pannu K. | 2:0 (6:3, 6:4) | details | 25.04.2024 |
 Chile: M15 Santiago - Doubles - Main |
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| Semi-finals | Almeida J./Tosetto R. | Ogura K./Vithoontien L. | 2:1 (64:7, 7:5, 10:6) | details | 19.04.2024 |
| Quarter-finals | Brown T./Cabrera M. A. | Ogura K./Vithoontien L. | 0:2 (3:6, 3:6) | details | 18.04.2024 |
| 1/8-finals | Ogura K./Vithoontien L. | Torrealba B./Villalon N. | 2:0 (6:4, 6:2) | details | 17.04.2024 |
 Japan: M15 Kashiwa - Doubles - Main |
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| Quarter-finals | Nakagawa S./Ogura K. | Kumasaka T./Vithoontien L. | 2:1 (3:6, 7:5, 10:7) | details | 04.04.2024 |
| 1/8-finals | Kumasaka T./Vithoontien L. | Masabayashi T./Yang J. | 2:0 (6:3, 6:2) | details | 02.04.2024 |
 Canada: M25 Edmonton - Doubles - Main |
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| Quarter-finals | Boulais J./O'Hoisin O. | Ravichander I./Vithoontien L. | WO. | details | 03.11.2023 |
| 1/8-finals | Ravichander I./Vithoontien L. | Roux E./Van Orderlain D. | 2:0 (6:1, 6:0) | details | 31.10.2023 |
 Mexico: M15 Morelia - Doubles - Main |
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| 1/8-finals | Gomez J. S./Rodriguez J. A. | Thompkins J./Vithoontien L. | 2:0 (6:4, 7:65) | details | 19.10.2023 |
| Japan: M25 Takasaki - Doubles - Main |
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| Quarter-finals | Leong M. W. K./Vithoontien L. | Ichikawa T./Kawachi K. | 0:2 (4:6, 2:6) | details | 21.09.2023 |
| 1/8-finals | Saitoh S./Tange S. | Leong M. W. K./Vithoontien L. | 0:2 (1:6, 4:6) | details | 19.09.2023 |
 Thailand: M15 Nakhon Si Thammarat 8 - Doubles - Main |
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| 1/8-finals | Wang C./Yang J. | Bradshaw J./Vithoontien L. | 2:1 (6:4, 62:7, 10:8) | details | 05.09.2023 |
| Thailand: M15 Nakhon Si Thammarat 7 - Doubles - Main |
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| 1/8-finals | Vithoontien L./Watt J. | Sun Qian/Tang S. | 1:2 (6:3, 3:6, 4:10) | details | 29.08.2023 |
 USA: M15 Pittsburgh, PA - Doubles - Main |
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| 1/8-finals | Heng N./Stice T. | Liokossis S./Vithoontien L. | 2:0 (6:2, 6:3) | details | 25.07.2023 |
| USA: M15 Rochester, NY - Doubles - Main |
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| 1/8-finals | Bynoe E./Vithoontien L. | Flores J./Kuszynski P. | 0:2 (65:7, 63:7) | details | 19.07.2023 |
| Canada: M25 Laval - Doubles - Main |
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| 1/8-finals | Ciocanu A./Xu K. Q. | Bynoe E./Vithoontien L. | 2:1 (6:4, 3:6, 10:5) | details | 11.07.2023 |