Radim Zitko defeated Shannon Nettle 7-6 6-1 in the Australia 1 1 qualifying round on hard. The result followed the form book — Radim Zitko came in leading the head-to-head 4–0. Radim Zitko extended the head-to-head to 5–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2006-03-20 | Australia F4 | R32 | clay | Radim Zitko | 6-3 6-4 |
| 2004-02-02 | Australia 1 4 | R16 | hard | Radim Zitko | 6-4 6-7(5) 7-5 |
| 2003-09-22 | Australia 2 2 | R16 | hard | Radim Zitko | 6-3 6-2 |
| 2002-01-28 | Australia 1 1 | R32 | hard | Radim Zitko | 6-2 5-7 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.