Jun Chao Xu defeated Miles Armstrong 3-6 6-4 6-1 in the Korea Rep F1 round of 32 on hard. Jun Chao Xu extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-03-09 | New Zealand F1 | R16 | hard | Jun Chao Xu | 5-7 6-4 6-2 |
| 2006-10-23 | Australia F12 | R32 | grass | Miles Armstrong | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.