Michael Zhu defeated Gaston Erhardt 6-3 6-3 in the M25 Lima 2 q16 on clay. The upset overturned the form book — Gaston Erhardt came in leading the head-to-head 1–0, but Michael Zhu had been the form player, winning 2 of their last 4 on clay. Michael Zhu claimed a first win over Gaston Erhardt in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-02-03 | M25 Lima 1 | Q32 | clay | Gaston Erhardt | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.