May 16, 2026 · Singles
Lost 3-6,4-6
−0.18
Jaeyoon’s side
3.62
Opponents
Tommy NgoCurrently on CUPERTINO TC/CUPERTINO SC CM7.5A
3.58Rating 3.79 → 3.62Singles result
Player profile
Jaeyoon Jung: estimated dynamic rating
Jaeyoon Jung
USTA4.0NorCal league player
Estimated dynamic rating
▼ −0.27 this season
Active teams
No active team listing yet.
2026
8 matches
Jan · 3.58
May · 3.62
May 16 · Singles−0.18
L Tommy Ngo
3-6,4-6
● Won ● Lost · Select a point to see that match.Your whole season is recalculated daily, so earlier points can shift as new results come in.
Current season
8 matches
Published NorCal league results in 2026.
Feb 28, 2026 · Singles
Lost 4-6,2-6
−0.05
Jaeyoon’s side
3.62
Opponents
Mehryar RahmatianCurrently on BROOKSIDE CM8.5A
4.01Rating 3.85 → 3.79Singles result
Feb 26, 2026 · Singles
Lost 3-6,1-6
−0.01
Jaeyoon’s side
3.62
Opponents
Rating 3.86 → 3.85Singles result
Feb 14, 2026 · Singles
Lost 0-6,2-6
−0.04
Jaeyoon’s side
3.62
Opponents
3.96
Rating 3.90 → 3.86Singles result
Feb 7, 2026 · Singles
Won 6-4,7-6
+0.16
Jaeyoon’s side
3.62
Opponents
3.61
Rating 3.73 → 3.90Singles result
Feb 1, 2026 · Singles
Won 6-1,3-6,1-0
+0.06
Jaeyoon’s side
3.62
Opponents
Andre NatalCurrently on CUPERTINO TC/CUPERTINO SC CM7.5A
3.33Rating 3.67 → 3.73Singles result
Jan 24, 2026 · Singles
Lost 1-6,3-6
−0.08
Jaeyoon’s side
3.62
Opponents
Andrew IrishCurrently on BAY CLUB COURTSIDE CM7.5A
4.02Rating 3.75 → 3.67Singles result
Jan 18, 2026 · Singles
Won 6-2,6-3
+0.17
Jaeyoon’s side
3.62
Opponents
Arjun GhatakCurrently on CUPERTINO TC/CUPERTINO SC CM8.5A
3.65Rating 3.58 → 3.75Singles result
Best match
+0.17
Jan 18 vs Arjun Ghatak
Worst match
−0.18
May 16 vs Tommy Ngo
▲
Combo and mixed matches aren’t included. This rating is built from standard men’s and women’s league play only — combo and mixed results feed your separate combo/mixed ratings, not this one.
Updated Nov 4
Year-end re-anchoring
Pulled toward the 2024 year-end level+0.103.99
Pulled toward the 2025 year-end level+0.143.58
More about Jaeyoon
Jaeyoon Jung has been a USTA NorCal 4.0 since 2025. The estimated dynamic rating is 3.62, down 0.27 this season, with a 4–5 record in 2026. Most frequent partner: Hyeong Jun Park, 1–1 in 2 matches together.
Record
4–5
2026 season, 9 matches
2–9
2025 season, 11 matches
2
Longest winning streak
1–3
Matches that went to a third set or match tiebreak
Partners
- Hyeong Jun Park2 matches together1–1
- Insoo Park1 match together0–1
- Namsu Kwak1 match together0–1
Best wins
Against the highest-rated opponents by year-end NTRP, this season and last.
- d. Michael Zhang (4.0)Feb 7, 2026 · Singles6-4, 7-6
- d. Arjun Ghatak (4.0)Jan 18, 2026 · Singles6-2, 6-3
Year-end NTRP, 2025–2026
4.0 from 2025 to 2026.
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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