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Grant Duffy

— year-end
11 matches · 3W–8L · seasons 2025–2027

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Match history11 matches
L
2026-09-12 · TRO RANDOLPH · #2 Doubles · 4.0 · with David Randolph
expectation pending — we’re still fetching an opponent’s record
4-6, 4-6
L
2026-05-16 · TRO GOTTENBERG · #2 Doubles · 4.0 · with David Randolph
expectation pending — we’re still fetching an opponent’s record
7-6, 3-6, 0-1
W
2026-05-09 · TRO GOTTENBERG · #1 Doubles · 4.0 · with David Randolph
expectation pending — we’re still fetching an opponent’s record
3-6, 6-4, 1-0
L
2026-05-08 · TRO GOTTENBERG · #2 Doubles · 4.0 · with Tejas Rane
expectation pending — we’re still fetching an opponent’s record
1-6, 4-6
W
2026-05-02 · TRO GOTTENBERG · #1 Doubles · 4.0 · with David Randolph
expectation pending — we’re still fetching an opponent’s record
6-2, 7-5
L
Gary Organ / Luiz Traversin
2026-04-25 · TRO GOTTENBERG · #2 Doubles · 4.0 · with David Randolph
expectation pending — we’re still fetching an opponent’s record
4-6, 5-7
L
2026-04-18 · TRO GOTTENBERG · #1 Doubles · 4.0 · with David Randolph
expectation pending — we’re still fetching an opponent’s record
6-7, 2-6
L
2026-04-11 · TRO GOTTENBERG · #2 Doubles · 4.0 · with David Randolph
expectation pending — we’re still fetching an opponent’s record
1-6, 5-7
L
2026-04-11 · TRO GOTTENBERG · #2 Doubles · 4.0 · with David Randolph
expectation pending — we’re still fetching an opponent’s record
4-6, 7-5, 0-1
L
Bill Allen / Roman Calero
2025-04-13 · Eldorado/Leder M3.5 · #1 Doubles · 3.5 · with Vito Sgotto
expectation pending — we’re still fetching an opponent’s record
1-6, 2-6
W
2025-04-06 · Eldorado/Leder M3.5 · #2 Singles · 3.5
expectation pending — we’re still fetching an opponent’s record
6-3, 6-4
Teams3 teams · 2025–2027
Over timerating by season, and how you rank
By level2 levels played
3.5
1W–1L
not enough matches yet
4.0
22.2%
2W–7L · 43.2% of games

Games won matters more than matches won — NTRP adjusts on margins.

By lineusually #2 Doubles, 55% of the time
#2 Doubles
55%
6 matches
#1 Doubles
36%
4 matches
#2 Singles
9%
1 match

How often, across every team and every match we hold — including ones that do not count toward a rating. Advanced stats has a court-position table too, and it answers a different question: how well you do there, over matches that count. A team’s own page shows how that one team uses you.

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.

It’s one of the reasons why I like tennis so much. Because you have to figure it out on your own.
Roger Federer