Guilherme Valdoleiros vs John Chin Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
G. Valdoleiros vs J. Chin

Guilherme Valdoleiros
POR
w
l
w
w
l
l
w
w
w
l
1
Win
1
Played
0
Win
26
Age
22
-
Height
-
0
C. Rank
0
0
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$0
Career Money
$0
-
Plays
-

John Chin
JAM
l
w
w
w
l
w
w
l
w
l
1
Win
1
Played
0
Win
26
Age
22
-
Height
-
0
C. Rank
0
0
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$0
Career Money
$0
-
Plays
-
Head-to-head: Valdoleiros 1 - 0 Chin
They have played 3 sets in total, with Guilherme Valdoleiros winning 2 and John Chin winning 1. The last match between Guilherme Valdoleiros and John Chin was at the M25 Sintra, 27-10-2025, Round: Q2, Surface: Hard, with Guilherme Valdoleiros getting the victory 6-4 4-6 10-4.
| Players | Head To Head Match Wins |
|---|---|
| Valdoleiros | 1 |
| Chin | 0 |
Last 1 H2H Matches:
(Q2) M25 Sintra(10-27-25)
Guilherme Valdoleiros
6
4
10
John Chin
4
6
4
G. Valdoleiros vs J. Chin H2H Profile
| Stats | ||
|---|---|---|
| $0 | Career Prize Money | $0 |
| 44.03% (59-75) | Career Total W/L | 50.00% (19-19) |
| 1 | Hard | 0 |
| 1 | Total H2H Matches | 0 |
| 0% (0-0) | YTD Win/Loss | 0% (0-0) |
G. Valdoleiros vs J. Chin Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Guilherme Valdoleiros has won 43.36% of points on their second serve, while John Chin has won 50.00%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Guilherme Valdoleiros, in recent form, has won 46.67% of their opponent's second serve points, while John Chin has won 45.00%. The same stats for first serve returns are 28.66% and 38.95% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Guilherme Valdoleiros has saved 53.57% of breakpoints in recent form, whereas John Chin has saved 57.14% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Guilherme Valdoleiros has won 53.19% of matches played (W/L 25/22), with John Chin winning 60.00% (W/L 6/4) that gives us an overall head-to head prediction overview.
- Best surface: Guilherme Valdoleiros has their best career surface win % on Hard, winning 46% (W/L 52/60), and worse career win % on Clay, winning 32% (W/L 7/15). John Chin has their best career surface win % on Hard, winning 46% (W/L 18/15), and worse career win % on Clay, winning 0% (W/L 0/2).
- Player level: In the last year, Guilherme Valdoleiros has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 56.82% of matches (W/L 25/19), where as John Chin has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 60.00% of matches (W/L 6/4). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
- Direct H2H matches: They have played 1 times before with Guilherme Valdoleiros winning 1 times and John Chin being victorious 0 times. They have played 3 sets in total, with Guilherme Valdoleiros winning 2 and John Chin winning 1.
- The last match between Guilherme Valdoleiros and John Chin was at the M25 Sintra, 27-10-2025, Round: Q2, Surface: Hard, with Guilherme Valdoleiros getting the victory 6-4 4-6 10-4.
- Head to head match duration: In past head to head matches, the average match time between these players has been 0:0:0.
- Opponent quality stats: Over the last 12 months, Guilherme Valdoleiros has played against opponents with an average rank of 200.6 while John Chin has played against players with an average rank of 35.1.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Guilherme Valdoleiros has won 56% of deciding sets over the last 12 months, while John Chin has won 50% in all matches played on tour.
- Break point conversion: In recent form, Guilherme Valdoleiros has converted 29.89% of breakpoint opportunities, and John Chin has converted 11.76% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
Guilherme Valdoleiros vs John Chin Editorial Preview By TennisTipster88.
G. Valdoleiros vs J. Chin H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 0 |
| 2 | Sets Won | 1 |
| 20 | Games Won | 14 |
| 0:0:0 | Average Match Time | 0:0:0 |
| 100% (1/1) | Best‑of‑3 Win % | 0% (0/1) |
| 100% (1/1) | Deciding Set Win % | 0% (0/1) |
| 100% (1/1) | 1st Set Won, Won Match | 0% (0/0) |
| 0% (0/1) | 1st Set Won, Lost Match | 0% (0/0) |
| 0% (0/0) | 1st Set Lost, Won Match | 0% (0/1) |
Recent Performance Stats
2nd Serve Win %: Valdoleiros 48%, Chin 37%.
Opp 2nd Serve Pts Won: Valdoleiros 50%, Chin 56%.
Break Points Saved %: Valdoleiros 54%, Chin 59%.
G. Valdoleiros Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
R1 | L | 6-1 7-6(6) | ||
Q3 | W | 2-6 6-1 10-7 | ||
Q2 | W | 7-5 6-7(3) 10-6 | ||
Q1 | W | 6-2 6-2 | ||
Q1 | L | 6-1 6-2 | ||
J. Chin Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
Q2 | L | 6-4 4-6 10-4 | ||
Q1 | W | 6-2 2-6 10-4 | ||
Q3 | L | 6-4 7-6(2) | ||
Q1 | W | 6-3 7-5 | ||
Q2 | W | 7-5 6-0 | ||

G. Valdoleiros vs J. Chin Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 44.03% (59/75) | YTD Win/Loss | 50.00% (19/19) |
| 44.52% (134/167) | Sets Win/Loss | 50.00% (44/44) |
| 48.49% (1363/1448) | Games Win/Loss | 49.82% (405/408) |
| 46.43% (52/60) | Hard Win/Loss | 54.55% (18/15) |
| 31.82% (7/15) | Clay Win/Loss | 0.00% (0/2) |
| 0% (0/0) | Indoor Hard W/L | 33.33% (1/2) |
| 0.03 | Aces Per Game | 0.36 |
| 42 | Aces Total | 144 |
| 0.08 | Double Faults Per Game | 0.33 |
| 108 | Total Double Faults | 130 |
| 1st Match | Average Match Time | 1:24:8 |
| 217.34 | Average Opponent Rank | 222.82 |
| 67% (1834/2743) | 1st Serve % | 57% (1145/1993) |
| 54% (983/1834) | 1st Serve Win % | 67% (762/1145) |
| 46% (420/909) | 2nd Serve Win % | 44% (372/848) |
| 40% (90/225) | Break Points Won % (Total) | 44% (84/193) |
| 38% (960/2520) | Return Points Win % | 40% (772/1913) |
| 0.00% (0/7) | Challenger W/L | 0% (0/0) |
| 46.46% (59/68) | Futures W/L | 50.00% (19/19) |
| 44% (59/134) | Best of 3 Sets Win % | 49% (18/37) |
| 44% (8/18) | Tiebreaks Win % (Total) | 50% (2/4) |
| 52% (17/33) | Deciding Set Win % | 46% (6/13) |
| 89% (54/48) | 1st Set Won, Won Match | 75% (20/15) |
| 11% (54/6) | 1st Set Won, Lost Match | 25% (20/5) |
| 14% (80/11) | 1st Set Lost, Won Match | 22% (18/4) |
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