Volker Scherzinger defeated Martin Zumpft 6-2 4-6 6-4 in the Turkey 1 Masters 1 round of 16 on hard. The upset overturned the form book — Martin Zumpft came in leading the head-to-head 1–0, but Volker Scherzinger had been the form player, winning 3 of their last 5 on hard. Volker Scherzinger claimed a first win over Martin Zumpft in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-11-02 | Israel 2 Masters 2 | R32 | hard | Martin Zumpft | 6-3 6-1 |