Jul 26, 2026 · Doubles · Mixed
Player profile
Derek Kroshus: estimated dynamic rating
Active teams
No active team listing yet.
Current season
Published NorCal results in 2026 — 4 scoring, 11 combo or mixed. Combo and mixed don’t affect NTRP ratings.
Jun 14, 2026 · Singles
Derek’s side
Opponents
Jun 9, 2026 · Singles
Derek’s side
Opponents
May 16, 2026 · Singles
Derek’s side
Opponents
Apr 19, 2026 · Singles
Derek’s side
Opponents
Mar 14, 2026 · Doubles · Mixed
Mar 14, 2026 · Doubles · Mixed
Opponents
Mar 12, 2026 · Doubles · Mixed
Opponents
Mar 10, 2026 · Doubles · Mixed
Opponents
Mar 5, 2026 · Doubles · Mixed
Jan 29, 2026 · Doubles · Mixed
Opponents
Jan 24, 2026 · Doubles · Combo
Opponents
Jan 24, 2026 · Doubles · Combo
Jan 23, 2026 · Doubles · Combo
Jan 10, 2026 · Doubles · Mixed
Combo and mixed results move their own ratings, not your NTRP. USTA computes NTRP from adult singles and doubles only.
More about Derek
Derek Kroshus has been a USTA NorCal 4.0 since 2027, after starting at 3.5 in 2024. The estimated dynamic rating is 3.77, up 0.43 this season, with a 11–5 record in 2026 across regular, combo and mixed play. Most frequent partner: Holly Tappan, 6–1 in 7 matches together.
Record
Partners
- Holly Tappan7 matches together6–1
- Sebastian Alvarez5 matches together3–2
- Alicia Deffebach5 matches together2–3
Best wins
Against the highest-rated opponents by year-end NTRP, this season and last.
- d. Debra Ziegler (4.0) / Brannigan Mcnulty (4.0)Jul 26, 2026 · Mixed6-4, 6-1
- d. Dawn Schlagel (4.0) / Kyle Faxlanger (4.0)Mar 14, 2026 · Mixed3-6, 6-4, 1-0
Year-end NTRP, 2024–2027
3.5 in 2024, 4.0 in 2025, 3.5 in 2026 and 4.0 in 2027.
MatchPoint's estimated dynamic rating is an independent estimate from published USTA NorCal league results through November 4, 2026. It is not a rating USTA calculates, and MatchPoint is not affiliated with USTA.
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