Christina Mchale defeated Petra Martic 7-6 5-7 6-4 in the Miami qualifying round of 64 on hard. The upset overturned the form book — Petra Martic came in leading the head-to-head 2–1, defending last year's round of 64. That levelled the head-to-head at 2–2.
Mchale C. came through in three sets.
Mchale C. and Martic P. faced 2 of the same opponents in the last 12 months. Mchale C. went 0–2 (0%) against them, Martic P. 1–1 (50%).
Only 2 common opponents — too few for any conclusion. Shown without assessment.
Christina Mchale beat Petra Martic 7-6(3) 5-7 6-4. Umpiry, "Christina Mchale vs Petra Martic — Miami Qualifying Round of 64", https://umpiry.com/match/2022-03-21/martic-vs-mchale-miami-q64?utm_source=cite (as of 21 March 2022).