Yaojie Zeng vs Akira SantillanGuangzhou Round of 32

Guangzhou · CHALLENGER · Round of 32
#945ATP
$6kYTD
$35kCAREER
24 yrs · 185 cm · Right-handed
Last 10
LWLLWWLWLL
Sets
Monday, 14 September 2026 ·
hard
Court 2 · 3rd on
#331ATP
1367ELO
1343Hard ELO
$31kYTD
$575kCAREER
29 yrs · 180 cm · Right-handed
Last 10
LLWLWLWLWW
Zeng Y.
vs
Santillan A.

Yaojie Zeng faces Akira Santillan in the Guangzhou round of 32 on hard. Akira Santillan holds the paper edge — ranked #331, leading the head-to-head 1–0. Recent hard form is closely matched.

Win Probability

Pre-match · updated 12:50 UTC
Zeng Y.21%
Santillan A.79%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Clear favourite · Santillan A. clearly ahead, but no certainty

Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Key context

Common opponents

Last 12 months
No common opponents in the last 12 months.
Includes tour-level, 125s, qualifying and team events (⚑). Walkovers excluded. Describes past results in different contexts — not a prediction.

Umpiry Score

Pre-match
5.1
Clear underdogUmpiry ScorePartial · surface data limited
6.1
Even matchUmpiry ScorePartial · surface data limited
Form & Matchup
2.2Trails 0–2 on hard
H2H
7.8Leads 2–0 on hard
2.02 of last 10 on hard
Surface form
4.35 of last 10 on hard
0.0
Win streak
0.0Lost last 2
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.

3 vs 7 matches

Statistics

This season
1st serve in·Even
66%
62%
1st serve points won·Slight edge
64%
74%
2nd serve points won·Even
53%
52%
Service points won·Slight edge
60%
65%
Return points won·Even
31%
34%
Break points saved·Clear edge
42%
65%
Aces / match·Slight edge
6.3
5.1
Double faults / match·Dominant
1.7
3.4

Averages over each player's completed matches in the selected window (3 vs 7). ATP, WTA & Challenger.

Serve vs return

This season
Zeng Y.serving83% hold

wins 65% of points on serve vs Santillan A.

Santillan A.serving90% hold

wins 70% of points on serve vs Zeng Y.

Serve-dominated — both hold easily, expect tiebreaks

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Freshness

Recent load
Freshness·Even
90
89

Zeng Y.: 7 days rest · 1 match, 22 games (7d) · Santillan A.: 6 days rest · 1 match, 20 games (7d). Higher means fresher. About

When it starts

3rd on Court 2 · Not Before 21:00 · up next on court

  1. 1Honda N. v Flores J.
    6-46-4
  2. 2Loof T. v Delaney J.
    4-63-6
  3. 3Zeng Y. v Santillan A.This match

Conditions

Court speed
Fastbig serves, short points
SlowFast
Weather forecast
26°CMainly clear
Wind 4 km/hHumidity 93%

Head to head

01
DateTournamentRoundSurfaceWinnerScore
2025-10-30M25 Qian Daohu 1R16hardAkira Santillan6-4 6-4

Draw