Matteo Arnaldi vs Rei Sakamoto — Tokyo Round of 32

TokyoR32HardWed 30 Sept · ~18:00Final2h 08m

Matteo Arnaldi defeated Rei Sakamoto in the Round of 32 at the Tokyo tournament on hard courts. The match ended with a score of 2-6, 6-4, 6-4 in favor of Arnaldi. Arnaldi hit 4 aces and 4 double faults, while converting 67% of break points and winning 69% of first-serve points; Sakamoto had 8 aces, 1 double fault, 50% break-point conversion and 72% first-serve win percentage; both players had 2 service breaks.

Generated automatically from Umpiry match data.

Key context

How the match was decided

Auto-generated

Arnaldi M. came through in three sets, with two breaks of serve.

  • Breaks of serveArnaldi M. 2 · Sakamoto R. 2
  • 1st-serve points wonArnaldi M. 69% · Sakamoto R. 72%
  • AcesArnaldi M. 4 · Sakamoto R. 8

Turning points

When the match moved
  1. Set 11–2BreakSakamoto R. · Broke, never broken back
  2. Set 26–4SetArnaldi M. · Broke to take the set
  3. Set 36–4SetArnaldi M. · Broke to take the set
Serve flowArnaldi M. broken twice · Sakamoto R. broken twice.
  • Hold to love/15
  • Hold to 30
  • Hold to 40 / deuce
  • Broken
  • Result unknown
Arnaldi M.
12/14Sakamoto R.
12/14
Set 1Set 2Set 3

Match momentum

Whole matchArnaldi M.Sakamoto R.
EvenArnaldi M.Sakamoto R.
Late momentumArnaldi M.9
7Last 12 points5
10Last 3 games10
1/2Break points2/4

Break of serve

Match statistics

Arnaldi M.Sakamoto R.
Serve
  • 4Aces8
  • 4Double faults1
  • 69%1st serve points won72%
  • 86% · 12/14Service games held86% · 12/14
Return
  • 67%Break points won50%
  • 2Breaks of serve2

Serve & return performance

Key performance gaps
Double faultsSakamoto R. served 1 double fault, Arnaldi M. 4. Largest performance gap of the match.+3Arnaldi M.4Sakamoto R.1

Common opponents

5 shared · last 12 months

Arnaldi M. and Sakamoto R. faced 5 of the same opponents in the last 12 months. Arnaldi M. went 2–3 (40%) against them, Sakamoto R. 2–3 (40%). Results against comparable opponents are close (2 : 2 better-results split).

2–340%Arnaldi M. · better vs 2Record vs common opponents2–340%Sakamoto R. · better vs 2
Vs common opponents · derived from scorelines
5–8Sets6–8
46–67Games71–74
1–0Tiebreaks0–3
1–2Deciding sets0–1
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Head-to-head

2 meetings · Arnaldi M. leads 2–0
20

Draw

Closing odds

Player context

Before the match
Arnaldi M.Sakamoto R.1 906ELO1 8491 718Hard ELO1 7482–8Last 107–325Age20185 cmHeight193 cmRightPlaysRightCareer $6.0M2026 $1.5MEarningsCareer $570K2026 $311K

Match info

  • Started~18:00 local
  • Duration2h 08m

Cite this

Matteo Arnaldi beat Rei Sakamoto 2-6 6-4 6-4. Umpiry, "Matteo Arnaldi vs Rei Sakamoto — Tokyo Round of 32", https://umpiry.com/match/2026-09-30/arnaldi-vs-sakamoto-tokyo-r32?utm_source=cite (as of 30 September 2026).