AustriaTulln - AustriaFinished

Predictions graded

Zdenek Kolar #156Czechia1Alex Barrena #261Argentina2

Sets 7-6 · 5-7 · 5-7Fri 11 Sept 2026, 12:40 Predictions gradedQuarter-FinalClay

Predictions5–183%

Edges1–0100%

Player Profiles

Ranking advantageZdenek Kolar · 105 places

Zdenek Kolar

Czechia

Czech right-hander, age 29, with a career-high ATP singles ranking of No. 111 on 13 June 2022. His recent official ITF activity shows substantially more clay than hard-court matches in 2026.

Current ranking: #156
Peak ranking: #111 · 2022
Current age: 29
Preferred surface: Clay
Hand: Right handed
Height: 183 cm

Alex Barrena

Argentina

Argentine right-hander whose highest singles ranking is No. 167, reached in March 2026. The ITF lists clay as his preferred surface.

Current ranking: #261
Peak ranking: #167 · 2026
Current age: 23
Preferred surface: Clay
Hand: Right handed
Height: 175 cm

Quick Take

Pre-match view

Context last updated 11 Sep 2026, 03:35 · Europe/Bucharest

Alex Barrena holds a moderate edge over Zdenek Kolar based on superior recent form and clay-court stats.

The match is likely to be competitive, with over 21.5 total games a reasonable play. Barrena at 2.20 offers value with an estimated 58% win probability.

Context

Barrena, 23, is a clay-court specialist from Argentina who has built his ranking on consistent results at Challenger level.
Barrena's 53.3% win rate on clay over the last 15 matches is significantly better than Kolar's 38.5% over 13 matches. Barrena also holds a slight edge in return points won (40.6% vs 41.0%) and break point conversion (48.1% vs 40.4%), suggesting he can pressure Kolar's serve more effectively. However, Kolar's first-serve points won (61.7%) is nearly identical to Barrena's (62.2%), so the match may hinge on second-serve and return performance.
- Barrena last 15 on clay: 8-7 record (53.3% win rate).
- Kolar last 13 on clay: 5-8 record (38.5% win rate).
- Barrena return points won: 40.6%; Kolar: 41.0%.
- Barrena break point conversion: 48.1%; Kolar: 40.4%.
Kolar, 28, is a Czech player who often competes in Challenger events and has a history of long clay-court matches.
Kolar's last two matches were on consecutive days (September 8 and 9), and his average match duration over the last 15 is 89.9 minutes. Barrena also played on September 7 and 9, but his average duration is 107.7 minutes, indicating he may be more accustomed to longer battles. The short turnaround could affect Kolar's recovery, especially if the match extends to three sets.
- Kolar played on Sep 8 and Sep 9, both wins in straight sets.
- Barrena played on Sep 7 and Sep 9, with a three-set win on Sep 9.
- Kolar average match duration last 15: 89.9 minutes; Barrena: 107.7 minutes.

BetBugs edges

Compare BetBugs' chances with the market's.

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result1 of 1 landed

Signal quality Medium · Uncertainty band Lean · Market price 2.20
The read
Barrena has a stronger recent form and clay-specific record, giving him a moderate edge in this Bo3 clay match.
- Alex Barrena last 15 overall record 8-7 (53.3%) vs Zdenek Kolar 5-10 (33.3%)
- Barrena last 15 clay record 8-7 (53.3%) vs Kolar 5-8 (38.5%)
- Barrena last 15 break points saved 56.3% vs Kolar 51.9%
- Barrena last 15 return points won 40.6% vs Kolar 39.4%
BetBugs · Match WinnerwonAlex BarrenaEstimated chance58%

Games2 of 2 landed

Signal quality Medium · Uncertainty band Lean · Not priced
The read
Both players have competitive recent matches with moderate game totals, making over 21.5 games likely.
- Kolar last 15 average duration 89.9 minutes, Barrena 107.7 minutes
- Kolar last 15 games per match average 20.1, Barrena 21.5
- Both players have similar total points won percentages (47.8% vs 49.4%)
BetBugs · Total GameswonOver 21.5Estimated chance60%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
The first set is likely to be competitive with both players holding serve at similar rates.
- Kolar last 15 clay average games per set 9.2
- Barrena last 15 clay average games per set 9.5
- Both players have similar return points won percentages
BetBugs · Set 1 Total GameswonOver 9.5Estimated chance55%

Sets0 of 1 landed

Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Barrena's slightly better first-serve and recent form suggest a small edge in the opening set.
- Barrena last 15 first set win rate implied by 8-7 record and 47.1% sets won
- Kolar last 15 sets won 39.4%
- Barrena first serve points won 62.2% vs Kolar 61.0%
BetBugs · Set 1 WinnerlostAlex BarrenaEstimated chance55%

Match stats0 of 0 landed

Signal quality Low · Uncertainty band Near coin-flip · Not priced
The read
The combined ace rate is below the line, but a longer match could push the total over 5.5.
- Kolar last 15 aces per match 1.7
- Barrena last 15 aces per match 1.2
- Combined average aces per match 2.9
BetBugs · Total Acesnot gradableOver 5.5Estimated chance50%
Signal quality Low · Uncertainty band Near coin-flip · Not priced
The read
The combined double fault rate is near the line, making over 5.5 a coin flip.
- Kolar last 15 double faults per match 3.6
- Barrena last 15 double faults per match 1.7
- Combined average double faults per match 5.3
BetBugs · Total Double Faultsnot gradableOver 5.5Estimated chance50%

Previous match context available

Zdenek Kolar

5W 10L

6-2 6-4#263Martin Krumich 6-3 7-5#414Olle Wallin 6-1 6-1#346Oriol Roca Batalla

6-1 6-4#162Borna Gojo

6-4 6-4#224Raul Brancaccio

6-2 4-6 6-3#186Jan Kumstat

6-3 6-2#198Thiago Seyboth Wild

4-6 6-3 6-4#45Juan Manuel Cerundolo

6-4 6-3#160Taro Daniel

7-5 6-0#412Stefan Palosi

6-3 6-3#145Tom Gentzsch

4-6 6-4 6-3#181Federico Cina

6-4 6-4#614Lukas Pokorny

6-3 6-1#899Jason Jung

7-5 6-1#189Lautaro Midon

Alex Barrena

8W 7L

6-2 6-7(3) 6-3#825Nico Hipfl 3-6 6-2 6-3#345Ognjen Milic 7-6(3) 6-3#244Gilles Arnaud Bailly

6-3 6-2#212Maxim Mrva

5-1 ret.#191Lukas Neumayer

6-2 6-3#325Luciano Emanuel Ambrogi

6-4 6-4#392Georgii Kravchenko

6-4 6-1#215Henri Squire

7-6(4) 6-2#205Timofey Skatov

6-3 6-2#76Jan Choinski

3-6 6-3 6-3#424Johan Nikles

6-2 6-3#430Niels Visker

6-4 3-6 7-6(2)#229Stefano Napolitano

6-7(4) 6-4 7-5#291Franco Agamenone

6-4 6-3#220Nikolas Sanchez-Izquierdo

Stat Battle

Last 15 match performance, compared side by side.

ZKZdenek KolarKolar

Last 15

1–8

9 core stats · 0 even

Alex BarrenaBarrenaAB

Alex Barrena carries the stronger recent form — Zdenek Kolar's route runs through serve.

Serve · 1–4

1st Serve In61.4%+2.5pp63.9%

1st Serve Won61.0%+1.2pp62.2%

2nd Serve Won48.8%+2.0pp50.8%

Aces / Match1.7+0.51.2

Double Faults / Match3.61.9 fewer1.7

Return · 0–1

Return Pts Won39.4%+1.2pp40.6%

Pressure · 0–2

Break Pts Converted41.1%+7.0pp48.1%

Break Pts Saved51.9%+4.4pp56.3%

Points · 0–1

Total Pts Won47.8%+1.6pp49.4%

Serve · 1–4

61.4%1st Serve In+2.5pp63.9%

61.0%1st Serve Won+1.2pp62.2%

48.8%2nd Serve Won+2.0pp50.8%

1.7Aces / Match+0.51.2

3.6Double Faults / Match1.9 fewer1.7

Return · 0–1

39.4%Return Pts Won+1.2pp40.6%

Pressure · 0–2

41.1%Break Pts Converted+7.0pp48.1%

51.9%Break Pts Saved+4.4pp56.3%

Points · 0–1

47.8%Total Pts Won+1.6pp49.4%