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C. Brace vs S. Sierra prediction

The prediction, computed before the match

Correct prediction
C. BraceS. Sierra
36.3 %63.7 %
Model favourite
S. Sierra
Probability
64 %
Predicted score
0-2
Actual score
1-2 · S. Sierra

Probability and score were published in the app before the match and frozen since. Model v0.6.

WTASao PauloRound of 32hard court20:00
C. Brace
C. Brace
vs
S. Sierra
S. Sierra
1879
Elo
2086
1854
Elo on hard court
1783
7 / 10
Form (last 10)
3 / 10
3
Recent matches
0
Even
Head-to-head
Even
2.61
Odds
1.49

Form and record before the match

Last 10 matches, oldest to most recent

C. Brace
  1. W
  2. L
  3. L
  4. L
  5. L
  6. L
  7. L
  8. L
  9. W
  10. W
S. Sierra
  1. L
  2. W
  3. W
  4. L
  5. W
  6. L
  7. L
  8. L
  9. L
  10. L
3 – 7
Wins – losses
3 – 7
8 – 14
Sets won – lost
9 – 16
2 wins
Current streak
5 losses
4-10 (29%)
2026 record
20-22 (48%)
14-14 (50%)
Record on hard court
21-28 (43%)

ATP, WTA and Challenger singles matches played since 2020 by C. Brace and S. Sierra, before this match.

What the numbers said before the match

S. Sierra comes in with an Elo of 2086, against 1879 for C. Brace: a 206-point edge. On hard court, the gap is 71 points in favour of C. Brace. C. Brace won 7 of the last ten matches, S. Sierra won 3. C. Brace has 2 wins in the last five matches. S. Sierra has no win in the last five matches. Their head-to-head record does not separate the two players. Bookmakers make S. Sierra the favourite.

The model gave S. Sierra the win at 64 %, with a likely score of 2-0. S. Sierra won 2-1: prediction correct.

Recent matches

C. Brace's last five matches

S. Sierra's last five matches

Head-to-head since 2020

No direct meeting since 2020 on the ATP, WTA and Challenger tours.

Road through the tournament

To reach this round, C. Brace beat A. Candiotto (6-3 6-4), then H. Kinoshita (7-5 7-6). This is S. Sierra's first match of the tournament. In 2025, the tournament was won by T. Rakotomanga Rajaonah, who beat J. Tjen in the final (6-3 6-4).

Key numbers

In deciding sets, C. Brace wins 50 % of the time (10 matches), S. Sierra 59 % (37 matches). After losing the first set, C. Brace turned 15 % of matches around (20 occasions), S. Sierra 23 % (66 occasions). After winning the first set, C. Brace went on to win 86 % of matches, S. Sierra 92 %.

Completed ATP, WTA and Challenger singles matches since 2020, before this match, retirements and walkovers excluded.

Frequently asked questions about C. Brace – S. Sierra

Who is the favourite between C. Brace and S. Sierra?
The match is over: S. Sierra won 2-1. Bookmakers make S. Sierra the favourite, priced at 1.49 against 2.61 for C. Brace. Pronocast's model had S. Sierra winning at 64 %.
When is the C. Brace – S. Sierra match?
On Wednesday, 16 September 2026 at 20:00, at the Sao Paulo tournament (Round of 32, hard court).
What is the head-to-head between C. Brace and S. Sierra?
No meeting between C. Brace and S. Sierra appears since 2020 on the ATP, WTA and Challenger tours.
Where can I see the prediction for C. Brace – S. Sierra?
The prediction is published higher up on this page, with the result and the verdict.

How the model computes its predictions

Same tournament: Sao Paulo

Tournament page

Other matches on 16 September 2026

All matches on 16 September 2026