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Sean Der

Sykesville, MD
4.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
392 matches · 257W–135L · seasons 20222026

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Match history392 matches
L
2026-08-23 · ChaDer 4.5 Singles · #2 Singles · 4.5
expectation pending — we’re still fetching an opponent’s record
2-6, 3-6
L
2026-08-11 · ChaDer 4.5 Singles · #2 Singles · 4.5
expectation pending — we’re still fetching an opponent’s record
6-7, 1-6
L
Andrew Gibbons
2026-08-08 · ChaDer 4.5 Singles · #2 Singles · 4.5
expectation pending — we’re still fetching an opponent’s record
5-7, 1-6
L
2026-08-04 · ChaDer 4.5 Singles · #1 Singles · 4.5
expectation pending — we’re still fetching an opponent’s record
3-6, 0-6
W
2026-08-01 · Ghim - TriFecta-Hi · #1 Doubles · 4.5 · with Andrew Aylward
expectation pending — we’re still fetching an opponent’s record
6-3, 7-6
L
2026-07-26 · BmoreChaTri 4.5-3.5 · #1 Doubles · 4.5 · with Henry Cha
expectation pending — we’re still fetching an opponent’s record
4-6, 1-6
W
2026-07-24 · HocoCha4.5-40+ · #3 Doubles · 4.5 · with Henry Cha
expectation pending — we’re still fetching an opponent’s record
2-6, 6-4, 1-0
L
2026-07-16 · Ghim - TriFecta-Hi · #1 Doubles · 4.5 · with Rizwan Rashid
expectation pending — we’re still fetching an opponent’s record
3-6, 2-6
W
2026-07-15 · HocoCha4.5-40+ · #2 Doubles · 4.5 · with Leonard Tetteh
expectation pending — we’re still fetching an opponent’s record
6-1, 3-6, 1-0
W
2026-06-30 · HocoCha4.5-40+ · #3 Doubles · 4.5 · with Eston Harden
expectation pending — we’re still fetching an opponent’s record
6-4, 7-5
L
2026-06-28 · HocoCha4.5-40+ · #3 Doubles · 4.5 · with Luis Lozano
expectation pending — we’re still fetching an opponent’s record
3-6, 2-6
L
2026-06-25 · HocoCha4.5-40+ · #3 Doubles · 4.5 · with Derek Ireland
expectation pending — we’re still fetching an opponent’s record
6-7, 6-0, 0-1
Where you rank locallyagainst everyone at your level
Teams101 teams · 2022–2026
Over timerating by season, and how you rank
By level14 levels played
4.0
76.9%
50W–15L · 64.1% of games
4.5
58.5%
55W–39L · 54.9% of games
7.5
1W–0L
not enough matches yet
8.0
50%
2W–2L · 51.3% of games
8.5
2W–0L
not enough matches yet
9.0
0W–1L
not enough matches yet
0.0mixed
50%
4W–4L · 59.2% of games
4.0mixed
100%
5W–0L · 64.9% of games
7.0mixed
100%
5W–0L · 73.5% of games
7.5mixed
100%
5W–0L · 76.9% of games
8.0mixed
75%
45W–15L · 60% of games
8.5mixed
79.4%
27W–7L · 60% of games
9.0mixed
68.8%
33W–15L · 56.1% of games
9.5mixed
37.5%
3W–5L · 45.5% 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.

I don’t want to be somebody else. I want to be myself and win in my way.
Rafael Nadal