Danila Arsenov defeated Richard Ruckelshausen 6-4 6-3 in the South Africa F1 semi-final on hard. The upset overturned the form book — Richard Ruckelshausen came in leading the head-to-head 1–0. Danila Arsenov claimed a first win over Richard Ruckelshausen in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2007-12-17 | Nigeria F4 | R16 | hard | Richard Ruckelshausen | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.