Colin Sinclair leads 2 to 1 over 3 singles meetings since 2025. Last meeting on 17/04/2026 at M25 Anning.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 17/04/2026 | M25 Anning | Quarter-final | clay | Sinclair | 6-4 6-6 |
| 02/10/2025 | M25 Perth | Round 2 | hard | Sinclair | 7-6(2) 6-4 |
| 19/09/2025 | M25 Tamworth | Quarter-final | hard | Dellavedova | 4-6 7-6(6) 1-6 |
| clay | Sinclair 1 - 0 Dellavedova |
| hard | Sinclair 1 - 1 Dellavedova |
| 2026 | Sinclair 1 - 0 Dellavedova |
| 2025 | Sinclair 1 - 1 Dellavedova |
195 wins, 142 losses since 2021 (57.9%).
Last matches: D V D V V
346 wins, 212 losses since 2021 (62.0%).
Last matches: V V V V V
Colin Sinclair leads 2 to 1 over 3 singles meetings since 2025.
On 17/04/2026, at M25 Anning (Quarter-final): Colin Sinclair won 6-4 6-6.