Marta Kostyuk vs Madison Keys — Toronto Round of 32

Toronto · WTA · Round of 32
Marta Kostyuk
UKR10
Marta Kostyuk
#10WTA
2057ELO
1968Hard ELO
$3.8MYTD
$11MCAREER
24 yrs · 175 cm · Right-handed
Last 10 · pre-match
LWLWWWLWWW
2 — 0
Sets
Thursday, 6 August 2026 ·
hard
Madison Keys
USA19
Madison Keys
#22WTA
1987ELO
1920Hard ELO
$1.7MYTD
$25MCAREER
31 yrs · 178 cm · Right-handed
Last 10 · pre-match
LWWLWWWWLL
Kostyuk M.
6-3 6-1
Keys M.
Kostyuk M.
662
Keys M.
310

Marta Kostyuk defeated Madison Keys 6-3, 6-1 in the Round of 32 at the Toronto hard-court tournament. Kostyuk converted 67% of her break points and won 94% of her first-serve points to secure the win. She won four service breaks to Keys' zero.

Generated automatically from Umpiry match data.

Around the match

  • “When he gifted me the letter, I was like, 'wow, this is like the reason why we actually do it', and it's very fulfilling and I'm happy I got to experience that today.”

    Kostyuk M.National Bank Open ↗

  • “It was very sweet. I was so surprised because you walk on court with a lot of different kids and you always try to make it a special moment for them. When he gifted me this, it was very, very sweet.”

    Kostyuk M.WTA Tennis ↗

Quotes belong to their sources, linked above. Lines marked “Umpiry summary” are written by Umpiry from the linked article, not quoted from it.

Key context

Head to head

0–2
DateTournamentRoundSurfaceWinnerScore
2024-07-01WimbledonR32grassMadison Keys6-4 6-3
2023-07-03WimbledonR32grassMadison Keys6-4 6-1
View full head-to-head →

Statistics

This season
Kostyuk M.Keys M.
1st serve in·Slight edge
58%
65%
1st serve points won·Even
70%
69%
2nd serve points won·Even
49%
47%
Service points won·Even
61%
61%
Return points won·Even
48%
44%
Break points saved·Even
62%
64%
Aces / match·Slight edge
3.4
4.0
Double faults / match·Slight edge
4.1
3.6

Averages over each player's completed matches in the selected window (33 vs 32). ATP, WTA & Challenger.

Clutch

Under pressure
Kostyuk M.Keys M.
Clutch Rating·Slight edge
85
90
Break points saved·Clear edge
72
85
Break points won·Even
94
93
Deciding sets·Even
94
93
Tiebreaks·Clear edge
80
95

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

Win Probability

Pre-match · updated 18:50 UTC
Kostyuk M.58%
Keys M.42%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Toss-up · Too close to call

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
Kostyuk M.
6.7
Slight advantageUmpiry Score
Keys M.
6.3
Marginal edgeUmpiry Score
Form & Matchup
5.6+48 Hard Elo edge
Surface ELO
4.4Hard Elo 1920
5.9Overall Elo 2057
ELO gap
4.1Overall Elo 1987
5.0First meeting on hard
H2H
5.0First meeting on hard
6.16 of last 10 on hard
Surface form
6.67 of last 10 on hard
Fatigue & Travel
3-set count
7.01 three-setter 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
Kostyuk M.Keys M.
Freshness·Clear edge
88
100

Kostyuk M.: 5 days rest · 1 match, 30 games (7d) · Keys M.: 17 days rest. Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast
Weather
28°CPartly cloudy
Wind 8 km/hHumidity 68%

Draw