Morgan Phillips defeated Steven Diez 6-1 6-2 in the Portugal F2 round of 32 on hard. The upset overturned the form book — Steven Diez came in leading the head-to-head 2–0. Morgan Phillips claimed a first win over Steven Diez in three meetings, narrowing 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 |
| 2010-05-10 | Spain F16 | QF | clay | Steven Diez | 6-0 1-6 7-6(3) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.