Stephane Robert defeated Izak Van Der Merwe 7-6 6-1 in the Johannesburg round of 16 on hard. The upset overturned the form book — Izak Van Der Merwe came in leading the head-to-head 1–0, defending last year's round of 16. Stephane Robert claimed a first win over Izak Van Der Merwe in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-01-31 | Johannesburg | R32 | hard | Izak Van Der Merwe | 6-3 6-2 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 13). ATP, WTA & Challenger.