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Tiffany Kellogg

La Jolla, CA
4.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
267 matches · 170W–97L · seasons 2021–2026

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Match history267 matches
W
2026-09-04 · SD HT La Jolla B&TC/ Scher · #1 Doubles · 4.5 · with Kristin Gibson
expectation pending — we’re still fetching an opponent’s record
6-2, 7-5
L
2026-09-03 · SD HT La Jolla B&TC/ Scher · #1 Doubles · 4.5 · with Anna Palmer
expectation pending — we’re still fetching an opponent’s record
4-6, 1-6
W
2026-08-28 · SD HT La Jolla B&TC/ Scher · #1 Doubles · 4.5 · with Kristin Gibson
expectation pending — we’re still fetching an opponent’s record
7-6, 6-1
W
2026-08-22 · SD 9.0 Surf and Turf/ Martinez · #1 Doubles · 9.0 · with James Kellogg mixed
doesn’t count toward your NTRP rating
6-1, 6-1
W
2026-08-21 · SD HT La Jolla B&TC/ Scher · #1 Doubles · 4.5 · with Kristin Gibson
expectation pending — we’re still fetching an opponent’s record
6-3, 6-3
W
2026-08-18 · SDNC Super HT Miramar College/ Alva · #2 Doubles · 4.5 · with Kristin Gibson
expectation pending — we’re still fetching an opponent’s record
3-6, 6-2, 1-0
W
2026-08-16 · SDNC Super Surf and Turf (Noon)/ Rubin · #2 Doubles · 4.5 · with Allison Sterett
expectation pending — we’re still fetching an opponent’s record
7-5, 4-6, 1-0
L
2026-08-15 · SD 8.0 La Jolla B&TC/ Scher · #1 Doubles · 8.0 · with Mark Chen mixed
doesn’t count toward your NTRP rating
6-3, 3-6, 0-1
W
2026-08-15 · SD 9.0 Surf and Turf/ Martinez · #1 Doubles · 9.0 · with James Kellogg mixed
doesn’t count toward your NTRP rating
6-2, 6-7, 1-0
W
2026-08-09 · #2 Doubles · with ERIN HUGHES championship
expectation pending — we’re still fetching an opponent’s record
6-0, 6-0
W
2026-08-09 · #3 Doubles · with Allison Sterett championship
expectation pending — we’re still fetching an opponent’s record
7-5, 6-1
W
2026-08-08 · SD 8.0 La Jolla B&TC/ Scher · #1 Doubles · 8.0 · with Mark Chen mixed
doesn’t count toward your NTRP rating
6-3, 6-2
Where you rank locallyagainst everyone at your level
Teams71 teams · 2021–2026
Over timerating by season, and how you rank
By level5 levels played
4.5
68.3%
84W–39L · 57.3% of games
5.0
21.1%
4W–15L · 37.6% of games
7.5mixed
75%
3W–1L · 58.4% of games
8.0mixed
60%
18W–12L · 54.6% of games
9.0mixed
76.7%
33W–10L · 60.8% of games

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

By lineusually #1 Doubles, 49% of the time
#1 Doubles
49%
131 matches
#2 Doubles
26%
68 matches
#3 Doubles
21%
55 matches
#1 Singles
3%
8 matches
#2 Singles
1%
3 matches
#4 Doubles
1%
2 matches

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.

Champions keep playing until they get it right.
Billie Jean King