Head to head
Rivalry summary
Miguel Olvera and Patricio Cornejo met 2 times on the ATP tour between 1968 and 1969. Their head-to-head is level at 1–1. By surface, they are level 1–1 on clay.
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Clay
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Miguel Olvera's wins on the left · Patricio Cornejo's on the right · bar lengths share one scale
All meetings (2)
| 1969 | Davis Cup SAM SF: CHI vs ECU | Clay | RR | Patricio Cornejo | 6-3 6-3 6-3 |
| 1968 | Davis Cup SAM F: ECU vs CHI | Clay | RR | Miguel Olvera | 5-7 5-7 12-10 6-2 7-5 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.