UMPIRY
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Rei Sakamoto vs Karen Khachanov — Almaty Round of 32

AlmatyR32HardTue 20 Oct · 11:00
Win probabilityWho is more likely to winSlight edge · Khachanov K.
41%59%

Khachanov K. favoured, but within the range where form on the day decides.

Umpiry ScoreMatchup strength, 0–10 · not a probability
Sakamoto R.5.6/10
Slight disadvantage
Khachanov K.7.1/10
Strong advantage
Why
Surface+194 Hard Elo edgeSupports Khachanov K.
Overall ratingOverall Elo 1828Supports Khachanov K.
Recent run2-match win streakAgainst the prediction · Sakamoto R.
This eventReached the last 16 here last yearSupports Khachanov K.
Long matches1 three-setter in 14 daysSupports Khachanov K.
ELO1 884
Hard ELO1 779
Last 106–4
Age20
Height193 cm
PlaysRight
EarningsCareer $570K2026 $311K
ELO2 043
Hard ELO1 893
Last 107–3
Age30
Height198 cm
PlaysRight
EarningsCareer $23.5M2026 $1.4M

Rei Sakamoto faces Karen Khachanov in the Almaty round of 32 on hard. Karen Khachanov holds the paper edge — ranked #27, defending last year's round of 16, a roughly 190-point hard Elo advantage. Recent hard form is closely matched.

Key context

Common opponents

3 shared · last 12 months

Sakamoto R. and Khachanov K. faced 3 of the same opponents in the last 12 months. Sakamoto R. went 2–1 (67%) against them, Khachanov K. 1–3 (25%). Results against comparable opponents are close (1 : 0 better-results split).

2–167%Sakamoto R. · better vs 1Record vs common opponents1–325%Khachanov K. · better vs 0
Vs common opponents · derived from scorelines
4–3Sets2–7
39–37Games38–50
1–1Tiebreaks0–1
1–0Deciding sets0–1

Only 3 common opponents — small sample, treat as indicative.

Head-to-head

They have not met before.

Evidence

Sakamoto R.Khachanov K.
FormLast 10 matches each · 2026
Win–loss6–47–3 (ahead)
Season win rate63% (40–23) (ahead)53% (25–22)
RatingUmpiry ELO
Overall ELO18842043 (ahead)
Hard-court ELO17791893 (ahead)
Serve vs returnLast 60 vs 45 matches
1st-serve points won74%75% (ahead)
Return points won37% (ahead)36%
Aces / match8.4 (ahead)8.0
ClutchLast 60 vs 45 matches
Break points saved59%68% (ahead)

Draw

Odds

Conditions

11:00 local
SurfaceHard · fast
Forecast16°C · Clear
Wind3 km/h
Humidity29%

Court pace fast: big serves, short points.

Freshness

Last 7 & 14 days
Sakamoto R.Khachanov K.
1Days since last match6 — fresher
2Matches · 7 days1 — fresher
43Games · 7 days19 — fresher
7Matches · 14 days3 — fresher
164Games · 14 days76 — fresher
Green marks the fresher player.

Cite this

Umpiry, "Rei Sakamoto vs Karen Khachanov — Almaty Round of 32", https://umpiry.com/match/2026-10-20/khachanov-vs-sakamoto-almaty-r32?utm_source=cite (as of 20 October 2026).