Jason Kubler vs Tristan Schoolkate — Gwangju CH Semi-final

Gwangju CH · CHALLENGER · Semi-final
AUS
Jason Kubler
#468ATP
1685ELO
1635Hard ELO
33 yrs · 178 cm · Right-handed
Last 10 · pre-match
WWWWWWWLLW
2 — 0
Sets
Monday, 21 April 2025
hard
AUS4
Tristan Schoolkate
#148ATP
1549ELO
1514Hard ELO
$246kYTD
$1.5MCAREER
25 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWLWWLWLLL
Kubler J.
7-5 6-4
Schoolkate T.
Kubler J.
762
Schoolkate T.
540

Jason Kubler defeated Tristan Schoolkate 7-5 6-4 in the Gwangju CH semi-final on hard. The upset overturned the form book — Tristan Schoolkate came in ranked #148.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Kubler J.serving88% hold

wins 68% of points on serve vs Schoolkate T.

Schoolkate T.serving83% hold

wins 65% of points on serve vs Kubler J.

Serve-dominated — both hold easily, expect tiebreaks

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Serve & return on hard

Kubler J.Schoolkate T.
—
Serve
38
—
Return
11

Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About

Statistics

This season
Kubler J.Schoolkate T.
1st serve in·Even
62%
60%
1st serve points won·Even
75%
75%
2nd serve points won·Even
52%
50%
Service points won·Even
66%
65%
Return points won·Even
39%
37%
Break points saved·Slight edge
59%
64%
Aces / match·Clear edge
6.7
9.1
Double faults / match·Dominant
2.4
4.2

Averages over each player's completed matches in the selected window (38 vs 107). ATP, WTA & Challenger.

Clutch

Under pressure
Kubler J.Schoolkate T.
Clutch Rating·Clear edge
59
46
Break points saved·Even
90
90
Break points won·Dominant
46
0
Deciding sets·Slight edge
79
85
Tiebreaks·Even
37
33

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Umpiry Score

Pre-match
Kubler J.
7.4
Dominant favouriteUmpiry Score
Schoolkate T.
5.4
Clear underdogUmpiry Score
Form & Matchup
6.4+121 Hard Elo edge
Surface ELO
3.6Hard Elo 1514
6.6Overall Elo 1685
ELO gap
3.4Overall Elo 1549
10.0No prior meetings
H2H
0.0
7.9
Surface form
5.0
0.0
Win streak
0.0
Fatigue & Travel
5.3
Minutes 14d
8.7
7.0
3-set count
7.0
4.0
Prev. match
7.0
Context
5.0
Defending pts
5.0
Opponent rise
5.0

The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.

Freshness

Recent load
Kubler J.Schoolkate T.
Freshness·
—
73

Schoolkate T.: 4 days rest · 2 matches, 66 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-slowfavours grinders
SlowFast
Final
Kubler J.
Kachmazov A.
7-56-776-3
Semi-finals
Kubler J.
Schoolkate T.[4]
7-56-4
Kachmazov A.
Watanuki Y.
6-46-3
Quarter-finals
Kachmazov A.
Jasika O.
6-46-2
Watanuki Y.
Holt B.[3]
7-57-62
Kubler J.
Grenier H.
6-26-1
Schoolkate T.[4]
Chung H.
6-36-1
R16
Grenier H.
Uchiyama Y.
W/O
Kubler J.
Walton A.[1]
6-46-1
Jasika O.
Escoffier A.
4-67-56-1
Schoolkate T.[4]
Simakin I.
6-46-2
Holt B.[3]
Park U.
3-66-37-65
Chung H.
Trotter J.[6]
6-27-61
Watanuki Y.
Monday J.
6-36-776-4
Kachmazov A.
Noguchi R.
7-636-4
R32
Walton A.[1]
Sharipov M.
6-36-2
Trotter J.[6]
Durasovic V.
6-756-46-3
Watanuki Y.
Mccabe J.[8]
7-6126-3
Monday J.
Svajda Z.
6-26-4
Escoffier A.
Eubanks C.[2]
6-36-4
Kachmazov A.
Atmane T.[7]
7-610-0
Grenier H.
Tu L.[5]
6-46-2
Kubler J.
Kwon S.
6-36-4
Uchiyama Y.
Uchida K.
7-53-66-4
Simakin I.
Ruusuvuori E.
6-26-3
Jasika O.
Zhou Y.
7-624-66-2
Chung H.
Lestienne C.
6-16-4
Park U.
Chung Y.
4-66-36-4
Holt B.[3]
Hsu Y.
6-36-0
Schoolkate T.[4]
Sakamoto R.
7-647-5
Noguchi R.
Shimabukuro S.
6-46-0