Dayeon Back leads 3 to 1 over 4 singles meetings since 2025. Last meeting on 06/05/2026 at W35 Changwon.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 06/05/2026 | W35 Changwon | Round 1 | hard | Back | 6-2 6-1 |
| 26/04/2026 | W15 Singapore | Final | indoor hard | Matsuda | 6-7(4) 2-6 |
| 30/10/2025 | W35 Makinohara | Round 2 | carpet | Back | 6-3 6-1 |
| 21/03/2025 | W15 Nonthaburi | Quarter-final | hard | Back | 7-5 5-2 |
| hard | Back 2 - 0 Matsuda |
| indoor hard | Back 0 - 1 Matsuda |
| carpet | Back 1 - 0 Matsuda |
| 2026 | Back 1 - 1 Matsuda |
| 2025 | Back 2 - 0 Matsuda |
189 wins, 90 losses since 2021 (67.7%).
Last matches: D D V D D
134 wins, 105 losses since 2021 (56.1%).
Last matches: D V D V V
Dayeon Back leads 3 to 1 over 4 singles meetings since 2025.
On 06/05/2026, at W35 Changwon (Round 1): Dayeon Back won 6-2 6-1.