Head-to-head record
Head to head
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Every number below responds to the selected filters.In this historical source, the available date represents the tournament start; the filter uses that reference consistently.
Head to head8matches playedT. Okker leads by 41968—1974
1Hard0
2Clay1
2Grass0
1Carpet1
Reading the matchup
Beyond the overall record
Set dynamics
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By tournament
Most meetings firstMatches
8 found · newest firstWimbledon1974 · Grass · First round
T. Okker defeated D. Ralston
6-1 6-3 4-6 6-3Washington1971 · Clay · Round of 16
D. Ralston defeated T. Okker
7-6 7-6Dallas1971 · Carpet · Round of 16
T. Okker defeated D. Ralston
4-6 7-5 6-2Atlanta1970 · Hard · Final
T. Okker defeated D. Ralston
6-4 10-8 6-2Philadelphia WCT1970 · Carpet · Round of 16
D. Ralston defeated T. Okker
6-1 6-8 6-3Newport WCT1969 · Grass · Final
T. Okker defeated D. Ralston
4-6 6-5 1-0(1)Milwaukee1969 · Clay · Quarterfinal
T. Okker defeated D. Ralston
6-0 6-0Gstaad1968 · Clay · Semifinal
T. Okker defeated D. Ralston
2-6 10-8 6-3 6-4