Harmony Tan leads 3 to 1 over 4 singles meetings since 2021. Last meeting on 27/02/2025 at W50 Macon.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 27/02/2025 | W50 Macon | Round 2 | indoor hard | Tan | 6-1 5-4 |
| 09/05/2023 | W60 Zagreb | Round 1 | clay | Serban | 5-7 7-6(4) 5-7 |
| 29/10/2021 | W80 Poitiers | Quarter-final | indoor hard | Tan | 3-6 0-6 |
| 17/09/2021 | W60+H Caldas da Rainha | Quarter-final | hard | Tan | 6-7(4) 5-7 |
| indoor hard | Tan 2 - 0 Serban |
| clay | Tan 0 - 1 Serban |
| hard | Tan 1 - 0 Serban |
| 2025 | Tan 1 - 0 Serban |
| 2023 | Tan 0 - 1 Serban |
| 2021 | Tan 2 - 0 Serban |
189 wins, 139 losses since 2021 (57.6%).
Last matches: D D D V V
168 wins, 133 losses since 2021 (55.8%).
Last matches: D D D V D
Harmony Tan leads 3 to 1 over 4 singles meetings since 2021.
On 27/02/2025, at W50 Macon (Round 2): Harmony Tan won 6-1 5-4.