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Alicante 2 
Davis Сup Group I Tenis. Oynanan Sinclair Colin. Sezon 2026
Ülke 
ABD. Sıralaması ATP 479.
ABD. Sıralaması ATP 479. Guangzhou | ||||
|---|---|---|---|---|
| 16.09.2026 | İkinci hafta | Sinclair Colin — Noguchi Rio | 0:2 (3:6, 3:6) |
|
 Astana 1 | ||||
| 09.08.2026 | Elemeler - 1. Hafta | Sinclair Colin — Kachmazov Alibek | 2:1 (7:6, 6:7, 6:2) |
|
 | ||||
| 29.07.2026 | İkinci hafta | Sinclair Colin — Matsuda Koki | 0:2 (3:6, 3:6) |
|
| 28.07.2026 | İlk hafta | Alkaya Mert — Sinclair Colin | 1:2 (6:0, 5:7, 4:6) |
|
 Brisbane 2 | ||||
| 12.02.2026 | İkinci hafta | Sakamoto Rei — Sinclair Colin | 2:0 (7:5, 6:3) |
|
| Brisbane 1 | ||||
| 02.02.2026 | Çeyrek - Final | Mitsui Shunsuke — Sinclair Colin | 2:1 (7:6, 6:7, 6:4) |
|
 Noumea | ||||
| 05.01.2026 | İlk hafta | Added Dan — Sinclair Colin | 2:1 (6:3, 6:7, 6:2) |
|