Nikola Bartunkova vs Elise MertensMonterrey Semi-final

Monterrey · WTA · Semi-final
#38WTA
1788ELO
1719Hard ELO
$767kYTD
$973kCAREER
20 yrs · Right-handed
Last 10 · pre-match
WWWWLWLWWL
1 — 2
Sets
Saturday, 29 August 2026 ·
hard
#24WTA
1894ELO
1847Hard ELO
$2.2MYTD
$20MCAREER
30 yrs · 179 cm · Right-handed
Last 10 · pre-match
WWLLWLWWWW
Bartunkova N.
6-1 4-6 2-6
Mertens E.
Bartunkova N.
6421
Mertens E.
1662

Elise Mertens defeated Nikola Bartunkova in the semifinals of the Monterrey tournament, coming back from a set down to win 1-6, 6-4, 6-2. Mertens hit 3 aces and 2 double faults, while Bartunkova had 7 aces and 6 double faults. Both players converted 5 service breaks, but Mertens had a higher break point conversion percentage, 56 to 42.

Around the match

  • Mertens staged a comeback from a set and a break down against Bartunkova, relying on experience as her young opponent crumbled under pressure in the semifinal.

  • Mertens advanced to the Monterrey final by defeating Bartunkova in a comeback victory.

    Mertens E.Reuters

Quotes belong to their sources, linked above.

Key context

Head to head

11
DateTournamentRoundSurfaceWinnerScore
2026-06-17BerlinR16grassNikola Bartunkova1-6 4-6
2026-01-19Australian OpenR32hardElise Mertens6-0 6-4

Statistics

This season
1st serve in·Even
55%
59%
1st serve points won·Even
69%
71%
2nd serve points won·Even
47%
47%
Service points won·Even
59%
61%
Return points won·Even
43%
45%
Break points saved·Even
57%
57%
Aces / match·Even
4.3
4.3
Double faults / match·Clear edge
4.7
3.9

Averages over each player's completed matches in the selected window (45 vs 34). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Even
72
72
Break points saved·Slight edge
76
65
Break points won·Slight edge
90
97
Deciding sets·Even
75
71
Tiebreaks·
71

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

Win Probability

Pre-match · updated 00:50 UTC
Bartunkova N.41%
Mertens E.59%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Slight edge · Mertens E. narrowly ahead

Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Umpiry Score

Pre-match
4.7
Heavy underdogUmpiry Score
  • Back-to-back day (−0.5)
5.8
Slight disadvantageUmpiry Score
  • Back-to-back day (−0.5)
Form & Matchup
3.4Hard Elo 1719
Surface ELO
6.6+128 Hard Elo edge
3.7Overall Elo 1788
ELO gap
6.3Overall Elo 1894
3.0Trails 0–1 on hard
H2H
7.0Leads 1–0 on hard
7.67 of last 10 on hard
Surface form
6.16 of last 10 on hard
7.04-match win streak
Win streak
Fatigue & Travel
4.02 three-setters in 14 days
3-set count
4.02 three-setters in 14 days
Context
5.0Didn't play here last year
Defending pts
5.0Didn't play here last year

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
Freshness·Clear edge
43
55

Bartunkova N.: played today · 4 matches, 111 games (7d) · Mertens E.: played today · 3 matches, 68 games (7d). Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast
Weather
30°CClear
Wind 14 km/hHumidity 49%

Draw