Daniel Byrnes defeated Gavin Van Peperzeel 6-4 6-2 in the Australia F4 round of 32 on clay. The upset overturned the form book — Gavin Van Peperzeel came in leading the head-to-head 1–0. Daniel Byrnes claimed a first win over Gavin Van Peperzeel in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-03-23 | Australia F4 | R16 | clay | Gavin Van Peperzeel | 6-4 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.