Junxiong Dong vs Javier Sierra Alonso Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
J. Dong vs J. Sierra Alonso
Junxiong Dong
CHN
l
w
l
l
l
l
w
l
l
l
1
Win
1
Played
0
Win
19
Age
17
-
Height
-
0
C. Rank
0
0
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$0
Career Money
$0
-
Plays
-
Javier Sierra Alonso
ESP
l
l
l
1
Win
1
Played
0
Win
19
Age
17
-
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: Dong 1 - 0 Alonso
They have played 2 sets in total, with Junxiong Dong winning 2 and Javier Sierra Alonso winning 0. The last match between Junxiong Dong and Javier Sierra Alonso was at the M15 Madrid, 07-09-2025, Round: Q1, Surface: Hard, with Junxiong Dong getting the victory 6-0 6-0.
| Players | Head To Head Match Wins |
|---|---|
| Dong | 1 |
| Alonso | 0 |
Last 1 H2H Matches:
(Q1) M15 Madrid(09-07-25)
Junxiong Dong
6
6
Javier Sierra Alonso
0
0
J. Dong vs J. S. Alonso H2H Profile
| Stats | ||
|---|---|---|
| $0 | Career Prize Money | $0 |
| 20.00% (3-12) | Career Total W/L | 0.00% (0-3) |
| 1 | Hard | 0 |
| 1 | Total H2H Matches | 0 |
| 0% (0-0) | YTD Win/Loss | 0% (0-0) |
J. Dong vs J. S. Alonso Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Junxiong Dong has won 0% of points on their second serve, while Javier Sierra Alonso has won 0%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Junxiong Dong, in recent form, has won 0% of their opponent's second serve points, while Javier Sierra Alonso has won 0%. The same stats for first serve returns are 0% and 0% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Junxiong Dong has saved 0% of breakpoints in recent form, whereas Javier Sierra Alonso has saved 0% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Junxiong Dong has won 23.08% of matches played (W/L 3/10), with Javier Sierra Alonso winning 0% (W/L 0/1) that gives us an overall head-to head prediction overview.
- Best surface: Junxiong Dong has their best career surface win % on Hard, winning 22% (W/L 2/7), and worse career win % on Clay, winning 17% (W/L 1/5). Javier Sierra Alonso has their best career surface win % on Clay, winning 22% (W/L 0/1), and worse career win % on Hard, winning 0% (W/L 0/2).
- Player level: In the last year, Junxiong Dong has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 23.08% of matches (W/L 3/10), where as Javier Sierra Alonso has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 0.00% of matches (W/L 0/1). 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 Junxiong Dong winning 1 times and Javier Sierra Alonso being victorious 0 times. They have played 2 sets in total, with Junxiong Dong winning 2 and Javier Sierra Alonso winning 0.
- The last match between Junxiong Dong and Javier Sierra Alonso was at the M15 Madrid, 07-09-2025, Round: Q1, Surface: Hard, with Junxiong Dong getting the victory 6-0 6-0.
- 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, Junxiong Dong has played against opponents with an average rank of 137.38 while Javier Sierra Alonso has played against players with an average rank of 0.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Junxiong Dong has won 0% of deciding sets over the last 12 months, while Javier Sierra Alonso has won 0% in all matches played on tour.
- Break point conversion: In recent form, Junxiong Dong has converted 0% of breakpoint opportunities, and Javier Sierra Alonso has converted 0% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
Junxiong Dong vs Javier Sierra Alonso Editorial Preview By TennisTipster88.
J. Dong vs J. S. Alonso H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 1 | H2H Matches Won | 0 |
| 2 | Sets Won | 0 |
| 12 | Games Won | 0 |
| 0:0:0 | Average Match Time | 0:0:0 |
| 100% (1/1) | Best‑of‑3 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 %: Dong 52%, Alonso 0%.
Opp 2nd Serve Pts Won: Dong 63%, Alonso 0%.
Break Points Saved %: Dong 70%, Alonso 0%.
J. Dong Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| M15 Alcala de Henares - 17-11-2025 | ||||
Q1  Ivan MezentsevI. Mezentsev | L | 4-6 6-2 10-8 | ||
 M25 Sabadell - 22-09-2025 | ||||
Q1 Luis Garcia PaezL. Garcia | L | 6-0 6-1 | ||
| M15 Madrid - 08-09-2025 | ||||
Q2 Mikel MartinezM. Martinez | L | 6-0 6-2 | ||
Q1 Javier Sierra AlonsoJ. Sierra | W | 6-0 6-0 | ||
| M15 Madrid - 01-09-2025 | ||||
Q1 Asier Meneses PernyA. Meneses | L | 6-1 6-4 | ||
J. S. Alonso Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| M15 Madrid - 08-09-2025 | ||||
Q1 Junxiong DongJ. Dong | L | 6-0 6-0 | ||
| M25 Madrid - 11-09-2023 | ||||
Q1 David De Hoyos RodriguezD. De | L | 6-1 6-1 | ||
| M15 Madrid - 04-09-2023 | ||||
Q1  Pedro IamachkineP. Iamachkine | L | 6-0 6-0 | ||
J. Dong vs J. S. Alonso Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 20.00% (3/12) | YTD Win/Loss | 0.00% (0/3) |
| 25.00% (8/24) | Sets Win/Loss | 0.00% (0/6) |
| 39.53% (117/179) | Games Win/Loss | 5.26% (2/36) |
| 22.22% (2/7) | Hard Win/Loss | 0.00% (0/2) |
| 16.67% (1/5) | Clay Win/Loss | 0.00% (0/1) |
| 0.03 | Aces Per Game | 0 |
| 4 | Aces Total | 0 |
| 0.1 | Double Faults Per Game | 0 |
| 15 | Total Double Faults | 0 |
| 1st Match | Average Match Time | 1st Match |
| 119.07 | Average Opponent Rank | 0 |
| 45% (65/144) | 1st Serve % | 0% (0/0) |
| 68% (44/65) | 1st Serve Win % | 0% (0/0) |
| 52% (41/79) | 2nd Serve Win % | 0% (0/0) |
| 33% (5/15) | Break Points Won % (Total) | 0% (0/0) |
| 38% (49/130) | Return Points Win % | 0% (0/0) |
| 20.00% (3/12) | Futures W/L | 0.00% (0/3) |
| 20% (3/15) | Best of 3 Sets Win % | 0% (0/3) |
| 100% (1/1) | Tiebreaks Win % (Total) | 0% (0/0) |
| 0% (0/2) | Deciding Set Win % | 0% (0/0) |
| 75% (4/3) | 1st Set Won, Won Match | 0% (0/0) |
| 25% (4/1) | 1st Set Won, Lost Match | 0% (0/0) |
| 0% (11/0) | 1st Set Lost, Won Match | 0% (3/0) |
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