Head-to-head record
Head to head
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Head to head6matches playedM. Louie Harper leads by 21978—1990
1Hard2
1Carpet2
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Set dynamics
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By tournament
Most meetings firstMatches
6 found · newest firstTokyo Pan Pacific1990 · Carpet · Third round
M. Louie Harper defeated S. Collins
2-6 6-4 6-2Hershey1985 · Hard · Round of 16
M. Louie Harper defeated S. Collins
6-2 6-2Richmond1981 · Hard · Third round
S. Collins defeated M. Louie Harper
6-3 6-2Oakland1981 · Carpet · Third round
S. Collins defeated M. Louie Harper
6-4 7-6Tucson1980 · Carpet · Semifinal
M. Louie Harper defeated S. Collins
1-6 6-4 6-4Dublin1978 · Hard · Round of 16
M. Louie Harper defeated S. Collins
6-3 6-2