Level, 1 wins each over 2 singles meetings since 2021. Last meeting on 18/03/2022 at M25 Trimbach.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 18/03/2022 | M25 Trimbach | Quarter-final | carpet | Haerteis | 4-6 6-4 4-6 |
| 25/10/2021 | Ismaning Challenger | Qualifiers | carpet | Virtanen | 4-6 6-3 6-3 |
| carpet | Haerteis 1 - 1 Virtanen |
| 2022 | Haerteis 1 - 0 Virtanen |
| 2021 | Haerteis 0 - 1 Virtanen |
50 wins, 64 losses since 2021 (43.9%).
Last matches: D D V D D
207 wins, 154 losses since 2021 (57.3%).
Last matches: D V D D V
Level, 1 wins each over 2 singles meetings since 2021.
On 18/03/2022, at M25 Trimbach (Quarter-final): Johannes Haerteis won 4-6 6-4 4-6.