Sebastian Swierk defeated Alun Jones 7-6 7-6 in the Australia F5 qualifying round on grass. The upset overturned the form book — Alun Jones came in leading the head-to-head 4–0. Sebastian Swierk claimed a first win over Alun Jones in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-11-24 | Australia F6 | QF | grass | Alun Jones | 6-4 7-5 |
| 2003-01-27 | Australia 1 2 | R16 | hard | Alun Jones | 7-5 6-1 |
| 2000-10-02 | Australia 3 Masters 2 | R32 | hard | Alun Jones | 4-6 7-5 6-4 |
| 2000-10-02 | Australia 3 Masters 4 | R16 | hard | Alun Jones | 7-6(8) 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.