MiamiHard21 Mar 2026 · 16:00
E. Rybakina
#2 · Kazakhstan
VS
M. Kostyuk
#28 · Ukraine

Odds

Market
Rybakina
Kostyuk
Change
Winner

Player analysis

E. Rybakina comes in with a 4–1 record over recent matches, with wins against quality opposition in the top 23 on average. Point margins have been modest — DS averaging +7.2. Wins have been functional rather than dominant. The serve has been a concern — averaging only 6.2/10, leaving E. Rybakina vulnerable on second serve and facing frequent return pressure. Good performance in key moments — break point efficiency of +21 over the last five.

DS 7.17Trend up

M. Kostyuk comes into this match in difficult form — 2 wins from the last 5. Matches have been close throughout — average DS of +0.6 with a downward trend. M. Kostyuk is winning on the scoreboard but not pulling away. The serve has been a concern — averaging only 5.6/10, leaving M. Kostyuk vulnerable on second serve and facing frequent return pressure. Break point efficiency is a red flag — M. Kostyuk has been losing the important points, with a BP efficiency of -15 over recent matches.

DS 0.55Trend down

Recent form

Recent form bar chartWWLLL

2W 3L last 5

21 MarRakhimova2-6 4-6W
10 MarKostyuk4-6 4-6W
8 MarKostyuk6-3 6-2L
18 JanJacquemot6-7 7-6 7-6L
11 JanSabalenka6-4 6-3L
Recent form bar chartLLWLW

2W 3L last 5

15 MarSabalenka3-6 6-3 7-6L
14 MarRybakina7-5 6-4L
13 MarPegula1-6 6-7W
10 MarRybakina4-6 4-6L
7 MarBaptiste6-7 6-2 2-6W

Hard court stats

Rybakina
Stat
Kostyuk
68.8%
Win rate
63.6%
207–94
W–L
154–88

Avg stats — last 5

1st serve %60%
1st serve won70%
2nd serve won50%
BP converted50%
BP saved70%
Aces7
Double faults2
1st serve %60%
1st serve won70%
2nd serve won40%
BP converted40%
BP saved50%
Aces3
Double faults5

Head to head

31
Hard 21
Clay 10
E. Rybakina vs M. Kostyuk head to head match history
DateTournamentSurfaceRoundWinnerScore
WTA Indian WellsHard1/16-finalsRybakina4-6 4-6
WTA StuttgartClayFinalRybakina6-2 6-2
WTA US OpenHard1/64-finalsRybakina6-2 6-1
Adelaide 2Hard1/8-finalsKostyuk6-7 6-2 6-3