PortugalWTA Caldas Da RainhaFinished

Predictions graded

Kajsa Rinaldo Persson #228Sweden2Angelina Voloshchuk #349Portugal0

Sets 6-3 · 7-5Tue 15 Sept 2026, 18:30 Predictions gradedFirst RoundHard

Predictions1–517%

Edges0–20%

Player Profiles

Ranking advantageKajsa Rinaldo Persson · 121 places

Kajsa Rinaldo Persson

Sweden

A Swedish tennis report identifies her as 28 and describes the 2026 US Open qualifying event as her Grand Slam debut. No verified current injury issue was found in the requested searches.

Current ranking: #228
Peak ranking: —
Current age: 28
Preferred surface: —
Hand: Right handed
Height: —

Angelina Voloshchuk

Portugal

Voloshchuk, 19, reached her career-high singles ranking of No. 341 in 2026 and is listed at No. 349.

Current ranking: #349
Peak ranking: #341
Current age: 19
Preferred surface: —
Hand: Right handed
Height: —

Quick Take

Pre-match view

Context last updated 15 Sep 2026, 06:08 · Europe/Bucharest

Voloshchuk's superior hard-court form and return game make her the favorite, with a 62% model probability against Persson's clay-heavy profile.

Betting value lies in Voloshchuk to win the match and first set, plus over 11.5 double faults, while the total games over 20.5 is a low-confidence lean.

Context

Voloshchuk, ranked 356, has built her recent success on hard courts, winning 10 of 15 matches in that span. Persson, ranked 252, has spent nearly all of her recent schedule on clay, where she has a 50% win rate.
This match is on hard court, which favors Voloshchuk's current rhythm and surface familiarity. Persson's only hard-court match in the last 15 was a straight-set loss, and her overall hard-court record this year is 2-3. The surface shift could give Voloshchuk a clear edge, though Persson's higher ranking and clay success suggest she can compete if she adjusts quickly.
- Voloshchuk's last 15 matches are all on hard courts, with a 10-5 record.
- Persson's last 15 matches include 14 on clay and 1 on hard; she lost the hard-court match 6-4 6-3 to Lola Radivojevic.
- Persson's 2026 hard-court record is 2-3, while Voloshchuk's is 21-12.
Voloshchuk's recent hard-court stats show a strong return game, winning 53.3% of return points. Persson's return points won is 46.5% overall, with a similar 46.9% on clay.
On hard court, Voloshchuk's ability to win over half of return points could put immediate pressure on Persson's serve, especially since Persson's first-serve points won is only 57.2%. If Voloshchuk can convert break points at her 52.1% rate, she may control the match. However, Persson's first-serve percentage is high at 74.6%, which could help her hold serve more often.
- Voloshchuk's return points won: 53.3% (539/1012) in last 15 matches.
- Persson's return points won: 46.5% (502/1079) in last 15 matches.
- Voloshchuk's break point conversion: 52.1% (85/163).
- Persson's first-serve points won: 57.2% (451/788).
Persson retired from a clay-court match on July 30, 2026, after losing the first two sets. She returned to competition on August 25, losing in straight sets on hard court.
The retirement and limited match play since could indicate lingering physical issues or lack of match fitness. Her only match after the retirement was a 6-4 6-3 loss, which may not reflect her true level. If she is not fully fit, Voloshchuk's aggressive return game could exploit any movement limitations.
- Persson retired on July 30, 2026, against Eva Bennemann with the score 5-7 7-5 5-2 ret.
- She played only one match since, losing to Lola Radivojevic on August 25, 2026.
- No current injury news is available, so the retirement may not be a major issue now.

BetBugs edges

Compare BetBugs' chances with the market's.

BetBugs probabilities

How likely BetBugs thought each outcome was.

Result0 of 1 landed

Signal quality Medium · Uncertainty band Lean · Market price 1.73
The read
Voloshchuk's stronger recent form and hard-court fit outweigh Persson's clay-heavy profile.
- Voloshchuk last 15 overall record 10-5 (66.7%), Persson 7-8 (46.7%)
- Voloshchuk last 15 hard-court record 10-5, Persson 0-1 on hard in window
- Voloshchuk return points won 53.3% vs Persson 46.5% in last 15
BetBugs · Match WinnerlostAngelina VoloshchukEstimated chance62%

Games1 of 2 landed

Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Competitive baseline and Persson's tendency to extend matches suggest a moderate total.
- Persson average 21.5 games per match last 15
- Voloshchuk average 19.9 games per match last 15
- Both players have multiple three-set matches in recent window
BetBugs · Total GameswonOver 20.5Estimated chance55%
Signal quality Low · Uncertainty band Slight lean · Not priced
The read
Persson's first sets often go deep, pushing the total above 9.5.
- Persson first-set average 9.7 games last 15
- Voloshchuk first-set average 8.9 games last 15
- Persson has played 7 tiebreaks or 7-5 sets in last 15
BetBugs · Set 1 Total GameslostOver 9.5Estimated chance52%

Sets0 of 1 landed

Signal quality Medium · Uncertainty band Lean · Market price 1.73
The read
Voloshchuk's fast starts and Persson's slow openings support a first-set edge.
- Voloshchuk won first set in 9 of last 15 matches
- Persson lost first set in 8 of last 15 matches
- Voloshchuk first-set conversion 86% career
BetBugs · Set 1 WinnerlostAngelina VoloshchukEstimated chance60%

Match stats0 of 0 landed

Signal quality Medium · Uncertainty band Strong lean · Not priced
The read
Voloshchuk's high double-fault rate alone nearly covers the line, with Persson adding margin.
- Voloshchuk averages 8.7 double faults per match last 15
- Persson averages 3.1 double faults per match last 15
- Combined average 11.8 double faults per match
BetBugs · Total Double Faultsnot gradableOver 11.5Estimated chance65%
Signal quality Medium · Uncertainty band Lean · Not priced
The read
Neither player is a strong server, making a low ace total likely.
- Voloshchuk averages 0.5 aces per match last 15
- Persson averages 0.1 aces per match last 15
- Combined average 0.6 aces per match
BetBugs · Total Acesnot gradableUnder 2.5Estimated chance60%

Previous match context available

Kajsa Rinaldo Persson

7W 8L

6-4 6-3#158Lola Radivojevic

5-7 7-5 5-2 ret.#304Eva Bennemann

7-5 6-2#559Ida Wobker

6-2 1-6 6-4#439Beatrise Zeltina

6-4 6-4#675Marta Lombardini

6-3 6-1#227Darya Astakhova

7-6(5) 3-6 6-3#107Kaitlin Quevedo

6-4 7-6(4)#157Dalma Galfi

6-2 4-6 6-3#141Fiona Ferro

6-1 6-3#155Elina Avanesyan

4-6 6-3 6-2#265Anna-Lena Friedsam

6-2 6-0#433Laura Mair

6-2 6-1#789Eszter Meri

6-3 6-3#316Weronika Falkowska

6-2 7-5#137Noma Akugue Noha

Angelina Voloshchuk

10W 5L

6-2 6-4#377Ariana Arseneault 6-2 6-3—Teresa Franco Dias

6-4 6-1#373Aoi Ito

6-1 6-2#687Jo-Yee Chan

6-2 7-6(5)#342Hannah Klugman

6-2 6-3#199Linda Klimovicova

6-0 7-5#352Malaika Rapolu

6-1 6-0#440Tiphanie Lemaitre

6-2 6-3#371Eunhye Lee

7-6(2) 6-4#893Jenna Defalco

4-6 6-3 6-2#893Katherine Hui

6-2 2-6 6-4#551Annika Penickova

3-6 7-5 6-0#875Krisha Mahendran

6-3 6-2—Jordyn Hazelitt

4-6 6-3 6-0—Emery Combs

Stat Battle

Last 15 match performance, compared side by side.

KPKajsa Rinaldo PerssonPersson

Last 15

4–5

9 core stats · 0 even

Angelina VoloshchukVoloshchukAV

Angelina Voloshchuk carries the stronger recent form — Kajsa Rinaldo Persson's route runs through serve.

Serve · 3–2

1st Serve In74.6%+13.9pp60.7%

1st Serve Won57.2%+3.7pp60.9%

2nd Serve Won45.5%+8.6pp36.9%

Aces / Match0.1+0.40.5

Double Faults / Match3.15.6 fewer8.7

Return · 0–1

Return Pts Won46.5%+6.8pp53.3%

Pressure · 1–1

Break Pts Converted47.6%+4.5pp52.1%

Break Pts Saved54.0%+1.0pp53.0%

Points · 0–1

Total Pts Won50.4%+2.0pp52.4%

Serve · 3–2

74.6%1st Serve In+13.9pp60.7%

57.2%1st Serve Won+3.7pp60.9%

45.5%2nd Serve Won+8.6pp36.9%

0.1Aces / Match+0.40.5

3.1Double Faults / Match5.6 fewer8.7

Return · 0–1

46.5%Return Pts Won+6.8pp53.3%

Pressure · 1–1

47.6%Break Pts Converted+4.5pp52.1%

54.0%Break Pts Saved+1.0pp53.0%

Points · 0–1

50.4%Total Pts Won+2.0pp52.4%