Peter Clarke defeated Joachim Johansson 6-7 6-4 7-5 in the Australia 1 4 qualifying round on hard. The upset overturned the form book — Joachim Johansson came in leading the head-to-head 1–0. Peter Clarke claimed a first win over Joachim Johansson in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-03-05 | New Zealand F2 | R32 | hard | Joachim Johansson | 7-6(4) 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.