Richey Reneberg defeated Jaime Yzaga 6-7 7-6 6-3 in the Indianapolis round of 16 on hard. The upset overturned the form book — Jaime Yzaga came in leading the head-to-head 1–0, but Richey Reneberg had been the form player, winning 4 of their last 7 on hard. Richey Reneberg claimed a first win over Jaime Yzaga in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1991-07-15 | Washington | QF | hard | Jaime Yzaga | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.