Deborah Chiesa vs Diana MartynovMontreux Nestle Open - Montreux Qualifying Round of 16

Montreux Nestle Open - Montreux · CHALLENGER · Qualifying Round of 16
#333WTA
1449ELO
1460Clay ELO
30 yrs · 170 cm · Right-handed
Last 10 · pre-match
LLLLLLLWWW
2 — 0
Sets
Sunday, 6 September 2026 ·
clay
Court 1 · 3rd on
#437WTA
1293ELO
1269Clay ELO
25 yrs
Last 10 · pre-match
LLWLWLLWLW
Chiesa D.
6-3 6-3
Martynov D.
Chiesa D.
662
Martynov D.
330

Deborah Chiesa defeated Diana Martynov 6-3, 6-3 in the quarterfinals of the Montreux Nestle Open. Chiesa converted 67 percent of her break points and won two service breaks to secure the win. Chiesa served one ace and one double fault, while Martynov served no aces and one double fault.

Generated automatically from Umpiry match data.

Key context

Head to head

No previous meetings on record.

Statistics

This season
1st serve in·Slight edge
62%
69%
1st serve points won·Even
61%
62%
2nd serve points won·Clear edge
51%
39%
Service points won·Even
57%
55%
Return points won·Even
48%
44%
Break points saved·Even
60%
59%
Aces / match·Even
2.1
2.6
Double faults / match·Clear edge
1.8
2.8

Averages over each player's completed matches in the selected window (34 vs 25). ATP, WTA & Challenger.

Win Probability

Pre-match · updated 11:50 UTC
Chiesa D.75%
Martynov D.25%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Clear favourite · Chiesa D. clearly ahead, but no certainty

Calibrated model (out-of-sample validated). Probability is a statistical estimate, not a certainty. How it works.

Umpiry Score

Pre-match
6.4
Marginal edgeUmpiry Score
5.1
Clear underdogUmpiry Score
Form & Matchup
7.4+190 Clay Elo edge
Surface ELO
2.6Clay Elo 1269
7.0Overall Elo 1449
ELO gap
3.0Overall Elo 1293
5.0No prior meetings
H2H
5.0No prior meetings
3.95 of last 10 on clay
Surface form
5.05 of last 10 on clay
0.0Lost last 4
Win streak
0.0Lost last 2
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
76
91

Chiesa D.: 2 days rest · 2 matches, 43 games (7d) · Martynov D.: 3 days rest · 1 match, 18 games (7d). Higher means fresher. About

Draw