Completed

ATP Challenger Tour · Quarterfinals · Sydney

Jason KublervsAlex Bolt

November 21, 2025H Hard

Match Result

Final score & match stats

#259Jason Kubler[4]

#147Alex Bolt[7]

KublerBolt

1st Serve %81%68%

1st Serve Won81%70%

2nd Serve Won80%43%

Serve Pts Won81%62%

BP Saved1/14/7

Return Pts Won39%19%

Total Pts Won57%43%

Aces45

Double Faults03

Archetype Matchup

Playing styles and historical archetype record

Kubler

💥 Big Hitter

Power groundstrokesHigh winner countAggressive shotsShort rallies

Bolt

🤖 Servebot

High ace rateDominant serviceWeaker returnBig first serve

Matchup analysis

💥 Big Hitter vs 🤖 Servebot is historically tight (48% vs 52%, 5,588 matches). Neither style has a clear edge, so form, surface, and H2H matter most when Jason Kubler plays Alex Bolt.

Player ROI

Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days

Metric	Kubler	Bolt
W-L	-	11–8
Avg odds	-	2.31
ROI %	-	+3.5%
Units P/L	-	+0.66u

Head-to-Head

Prior meetings and scores · 3 career meetings

Kubler

Bolt

Nov 21, 2025

Sydney

H Hard · Quarterfinals

Kubler

Jan 5, 2018

Playford

H Hard · Quarterfinals

Kubler

Oct 29, 2017

Traralgon

H Hard · Finals

7⁸6⁶

7⁷6³

Kubler

Common Opponents

Results vs. opponents both players faced · Last 12 months

Across 6 shared opponents, both Kubler and Bolt posted a 67% win rate.

Opponent	Kubler	Bolt
Tristan Schoolkate	W 75 64	L 63 67 46
Harold Mayot	W 63 64	W 63 64
Pavle Marinkov	W 63 16 62	W 63 75
Li Tu	W 63 63	W 62 63
James Duckworth	L 57 26	W 75 61
Fajing Sun	L 26 57	L 67 46

Mechanics

Serve and return comparison · Last 90 days

Stat	Kubler	Bolt
Serve
1st Serve In %	0%	62.3%
1st Serve Pts Won %	0%	74.4%
2nd Serve Pts Won %	0%	52.3%
Aces / Match	0	8.6
Double Faults / Match	0	1.8
Break Points Saved %	0%	69%
Return
1st Return Pts Won %	0%	29.6%
2nd Return Pts Won %	0%	46.8%
BP Converted %	0%	33.9%
Rally
Winners / Match	0	29.5
Unforced Errors / Match	0	32.9
Net Pts Won %	0%	68.8%
Total Pts Won %	0%	51%
Surface (Hard)
Hard Win %	0%	53%

Recent Form

Last five matches per player

Kubler

LWWWW

Frances Tiafoe

Australian Open · Round of 128

7⁷6⁴

Jan 20

Alexander Blockx

Australian Open · 3rd Round Qualifying

Jan 19

Harold Mayot

Australian Open · 1st Round Qualifying

Jan 18

Vilius Gaubas

Australian Open · 2nd Round Qualifying

Jan 18

Li Tu

Playford · Round of 32

Nov 25

Bolt

LLWWW

Ilia Simakin

Gwangju Open · Round of 32

7⁷6⁵

Apr 21

Yunchaokete Bu

Renault Busan Open Tennis Championships · Semifinals

Apr 18

Rio Noguchi

Renault Busan Open Tennis Championships · Quarterfinals

7⁷6⁴

7⁷6⁵

Apr 17

Tung-Lin Wu

Renault Busan Open Tennis Championships · Round of 16

7⁷6³

Apr 15

James McCabe

Renault Busan Open Tennis Championships · Round of 32

7⁷6²

Apr 14