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Tennis · Champaign · USA · hard

Viiala Z. vs Heredia S.

Monday, 16 November 2026

Upcoming. The scheduled start is still ahead. Match status has not been confirmed live.

Match preview

The model gives Viiala Z. a 51% chance on hard courts. Heredia S. is the higher-ranked player (No. 629 against No. 1253), so the model is leaning on form rather than ranking.

Key facts

  • Heredia S. has gone 6 matches without a win.
  • Heredia S. has won just 2 of the last 10 matches on hard courts.
USA•Challenger•Champaign•hard
Viiala Z.
Viiala Z.
Age 21 · Rank #1253
VS
Heredia S.
Age 20 · Rank #629
Heredia S.
Monday, 16 November 2026 at 02:30
Upcoming. The scheduled start is still ahead. Match status has not been confirmed live.
Model win probability
Viiala Z.Heredia S.
51%
49%
Viiala Z. · all surfaces (latest first)
No recent form
On hard
No hard matches on record
Heredia S. · all surfaces (latest first)
L13d
D14d
L26d
L35d
L40d
L46d
W48d
W49d
L57d
L89d
On hard2–7 · 22%· won 1+ set 3/9
L13d
D14d
L89d
L103d
L118d
W119d
L126d
L244d
W245d
L261d
Recent form
Viiala Z. · all surfacesHeredia S. · all surfaces
–9
–2/9
–7/9
–22%
–0/9
–5/9
–4/9
–4/9
–6 / 16
–-10
Limited sample — Heredia S. has 9 matches on record.
On hard (this match's surface)
Viiala Z. · last 0 on hardHeredia S. · last 9 on hard
–9
–2/9
–7/9
–22%
–1/9
–6/9
–3/9
–2/9
–5 / 15
–-10
First meeting — no head-to-head history between these players.
Market Odds
Bookmaker odds not available for this match.
Model Prediction
Viiala Z.
51%
Heredia S.
49%
low confidenceData 32%hard0 H2H used
◀ Viiala Z.Why the model leansHeredia S. ▶
Ranking
-0.29
Surface
0.00
Form
+0.33
H2H
0.00
Model v2.3-2026-06
Viiala Z. Form
Viiala Z.
No rows.
Heredia S. Form
Heredia S.
02 Nov2026
Heredia S.ATP #629 vs Boulais J.ATP #411
0-2L
01 Nov2026
Von Der Schulenburg J.ATP #957 vs Heredia S.ATP #629
0-0D
20 Oct2026
Soto M.ATP #257 vs Heredia S.ATP #629
2-1L
11 Oct2026
Zeballos F.ATP #1133 vs Heredia S.ATP #629
2-1L
06 Oct2026
Heredia S.ATP #629 vs Ribeiro E.ATP #357
0-2L
30 Sept2026
Heredia S.ATP #629 vs Schiessl J. E.ATP #549
0-2L
28 Sept2026
Heredia S.ATP #629 vs Osorio J. S.ATP #641
2-1W
27 Sept2026
Heredia S.ATP #629 vs Storck F. L.ATP #1256
2-1W
19 Sept2026
de Jong J.ATP #104 vs Heredia S.ATP #629
2-0L
18 Aug2026
Heredia S.ATP #629 vs Djere L.ATP #133
0-2L
Head-to-Head
Last 10
No rows.

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