PortugalPorto - PortugalFinished

Predictions graded

David Poljak #896Czechia1Jelle Sels #538Netherlands2

Sets 3-6 · 6-3 · 4-6Sun 30 Aug 2026, 13:10 Predictions gradedQ1Clay

Predictions5–271%

Edges1–0100%

Player Profiles

Ranking advantageJelle Sels · 358 places

David Poljak

Czechia

Ranked No. 896 in the supplied match data. Right-handed with a two-handed backhand; 188 cm.

Current ranking: #896
Peak ranking: —
Current age: —
Preferred surface: —
Hand: Right handed
Height: 188 cm

Jelle Sels

Netherlands

Sels, 31, is the right-hander in this matchup. His highest listed ranking is No. 127; he is 188 cm.

Current ranking: #538
Peak ranking: #127
Current age: 31
Preferred surface: —
Hand: Right handed
Height: 188 cm

Quick Take

Pre-match view

Context last updated 30 Aug 2026, 15:13 · Europe/Bucharest

Sels has a slight edge in form and return performance, but the odds heavily favor him, offering no value.

The match is likely to be competitive, with over 21.5 total games and over 9.5 games in the first set presenting the best betting angles.

Context

Sels, 30, is a clay-court regular with 239 career wins on the surface and a current ranking of 538. Poljak, 29, has a more balanced surface record but has struggled recently on clay.
Sels has a clear edge in recent clay form, winning 6 of 15 matches compared to Poljak's 2 of 8. Sels also has a higher ranking and more experience at this level, which should give him confidence in this qualifying round.
- Sels last 15 on clay: 6-9 record (40% win rate).
- Poljak last 8 on clay: 2-6 record (25% win rate).
- Sels ranking 538 vs Poljak ranking 896.
The two players met once before, in October 2022 at an indoor hard event.
Sels won that match 5-7 6-4 6-4, showing he can come back from a set down against Poljak. However, that was on a different surface, so the relevance is limited.
- H2H: Sels leads 1-0, winning 5-7 6-4 6-4 on indoor hard in 2022.
This qualifying opener is on an outdoor hard court, not clay. That shifts the surface context away from the clay form shown in the standard highlights, though neither player has a strong recent hard-court sample to lean on.
- The current match listing identifies Porto qualifying, Court 1, and outdoor hard.
ConfirmedSources checked 30 Aug 2026, 15:12 · Europe/BucharestSofascore match pagewww.sofascore.com · 30 Aug 2026

BetBugs edges

Compare BetBugs' chances with the market's.

Other edges · 1

The published chance does not exceed the market's implied chance.

Match WinnerwonUncertainty band: Lean

Jelle Sels

1.36fair 1.72

BetBugs 58% · Market 73.5%

0.0ppshort

Sels has a slight edge in recent form and return performance, but the market price overestimates his probability.

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result1 of 1 landed

Signal quality Medium · Uncertainty band Lean · Market price 1.36
The read
Sels has a slight edge in recent form and return performance, and he won the only prior meeting.
- Sels has a 6-9 record in his last 15 matches, while Poljak is 5-10 in the same window.
- Sels won the only previous H2H meeting in 2022 on indoor hard, 5-7 6-4 6-4.
- Sels' return points won in last 15 is 39.2% vs Poljak's 35.8%.
- Sels has a higher career clay win percentage (239 wins) than Poljak (115 wins).
BetBugs · Match WinnerwonJelle SelsEstimated chance58%

Games1 of 2 landed

Signal quality Medium · Uncertainty band Lean · Not priced
The read
Both players' recent matches average over 22 games, suggesting a competitive match with over 21.5 games.
- Poljak's last 15 matches average 22.6 games per match.
- Sels' last 15 matches average 22.3 games per match.
- Both players have similar games won percentages (45.7% each).
- H2H match in 2022 had 32 games.
BetBugs · Total GameswonOver 21.5Estimated chance60%
Signal quality Medium · Uncertainty band Lean · Not priced
The read
The first set is likely to be close, with both players averaging over 9 games per set.
- Poljak's average set games in last 15 is 9.4.
- Sels' average set games in last 15 is 9.3.
- Both players have similar first serve points won percentages (67.9% vs 65.8%).
BetBugs · Set 1 Total GameslostOver 9.5Estimated chance58%

Sets1 of 1 landed

Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Sels' slightly better set win rate and return game give him a small edge in the opening set.
- Sels has won 44.4% of sets in last 15 matches, Poljak 36.1%.
- Sels' first set win conversion is 87% career, Poljak 84%.
- Sels has a better return points won percentage (39.2% vs 35.8%).
BetBugs · Set 1 WinnerwonJelle SelsEstimated chance55%

Match stats0 of 1 landed

Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Both players average under 3 double faults per match, making under 5.5 likely.
- Poljak averages 2.5 double faults per match in last 15.
- Sels averages 2.4 double faults per match in last 15.
- Combined average is 4.9 double faults per match.
BetBugs · Total Double Faultsnot gradableUnder 5.5Estimated chance55%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
The combined ace averages suggest a total over 7.5 is plausible.
- Poljak averages 4.1 aces per match in last 15.
- Sels averages 3.7 aces per match in last 15.
- Combined average is 7.8 aces per match.
BetBugs · Total Acesnot gradableOver 7.5Estimated chance52%
Signal quality Low · Uncertainty band Near coin-flip · Not priced
The read
The closeness of the match and similar tiebreak records suggest a tiebreak is possible.
- Poljak has a 50% career tiebreak win percentage.
- Sels has a 49% career tiebreak win percentage.
- Both players have played multiple tiebreaks in recent matches.
BetBugs · Tiebreak in MatchlostYesEstimated chance50%

Head-to-Head

0-1 (1 meetings)

L5-7 6-4 6-4David Poljak#896vJelle Sels#538Oct 4, 2022

1 total meetings

David Poljak

5W 10L

7-6(4) 6-1#453Oleksii Krutykh

6-4 6-4#678Samuel Vincent Ruggeri

6-4 7-6(4)#128Gustavo Heide

6-4 6-2#676Stefan Horia Haita

5-7 6-3 6-4#545Alexandr Binda

6-2 3-6 6-4#620Gabriel Ghetu

6-3 1-6 6-3#502Dominik Palan

6-2 6-2#505Peter Makk

7-6(5) 6-7(2) 6-3#850Kenny de Schepper

6-4 7-6(11)#564Lorenzo Angelini

6-3 6-2#683Gabriele Bosio

6-2 6-3#458James Kent Trotter

4-6 6-3 6-4#778Matt Kuhar

6-2 6-2#889Niklas Schell

6-0 3-6 6-1#316Daniel Milavsky

Jelle Sels

6W 9L

3-6 6-3 6-2#635Pieter De Lange

6-3 6-7(5) 7-6(4)#888Stijn Paardekooper

6-2 3-6 6-3#772Abel Forger

5-7 7-5 1-0 ret.#854Deney Wassermann

6-3 5-7 6-2#567Kirill Kivattsev

7-6(6) 6-3#888Yuichiro Inui

6-0 1-0 ret.#324Daniel Michalski

6-3 6-4#373Dimitar Kuzmanov

6-0 7-6(4)#360Francesco Forti

6-4 6-4#478Lorenzo Carboni

7-6(5) 6-4—Edoardo Betti

4-6 6-0 6-2#365Tommaso Compagnucci

6-4 6-4#584Yanis Ghazouani Durand

6-4 6-2#638Federico Iannaccone

6-3 7-6(5)#291Sergey Fomin

Stat Battle

Last 15 match performance, compared side by side.

DPDavid PoljakPoljak

Last 15

3–2

9 core stats · 4 even

Jelle SelsSelsJS

David Poljak carries the stronger recent form — Jelle Sels's route runs through return.

Serve · 3–0 · 2 even

1st Serve In62.7%—63.1%

1st Serve Won67.9%+2.1pp65.8%

2nd Serve Won49.2%+1.9pp47.3%

Aces / Match4.1+0.43.7

Double Faults / Match2.5—2.4

Return · 0–1

Return Pts Won35.8%+3.4pp39.2%

Pressure · 0–1 · 1 even

Break Pts Converted35.9%+0.9pp36.8%

Break Pts Saved58.0%—57.6%

Points · 0–0 · 1 even

Total Pts Won48.4%—49.1%

Serve · 3–0 · 2 even

62.7%1st Serve In—63.1%

67.9%1st Serve Won+2.1pp65.8%

49.2%2nd Serve Won+1.9pp47.3%

4.1Aces / Match+0.43.7

2.5Double Faults / Match—2.4

Return · 0–1

35.8%Return Pts Won+3.4pp39.2%

Pressure · 0–1 · 1 even

35.9%Break Pts Converted+0.9pp36.8%

58.0%Break Pts Saved—57.6%

Points · 0–0 · 1 even

48.4%Total Pts Won—49.1%