Mark Sheaffer
4 matches · 2W–2L · seasons 2026–2026
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Match history4 matches
L
Al Cannon / Peter Kolaric
expectation pending — we’re still fetching an opponent’s record
6-4, 1-6, 0-1
L
Jeff Clark / John Chatlak
expectation pending — we’re still fetching an opponent’s record
6-4, 4-6, 0-1
W
Daniel Lieberman / William Mitchell
expectation pending — we’re still fetching an opponent’s record
5-7, 7-5, 1-0
W
expectation pending — we’re still fetching an opponent’s record
7-6, 5-2
Teams2 teams · 2026–2026
Over timerating by season, and how you rank
By level1 levels played
9.0
50%
2W–2L · 50% of games
Games won matters more than matches won — NTRP adjusts on margins.
Not affiliated with or endorsed by the USTA. Ratings labelled as published are USTA year-end figures; anything we describe as an estimate is ours, not USTA’s. Match data is from USTA TennisLink.
Experience is a big word. I think it comes with time, and I have that.