Valentino Pest defeated Tuomas Ketola 2-6 7-5 6-4 in the South Africa Masters 2 round of 32 on hard. The upset overturned the form book — Tuomas Ketola came in leading the head-to-head 1–0. Valentino Pest claimed a first win over Tuomas Ketola in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-09-27 | Portugal 4 Masters 2 | QF | carpet | Tuomas Ketola | 6-2 1-6 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.