Steven Diez defeated Morgan Phillips 6-0 1-6 7-6 in the Spain F16 qualifying round on clay. Steven Diez extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-02-20 | Spain F3 | QF | clay | Steven Diez | 4-6 7-5 6-2 |
| 2011-03-07 | Portugal F2 | R32 | hard | Morgan Phillips | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.