Guido Ivan Justo vs Adolfo Daniel Vallejo Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
Published on 11 Nov at 11:49 PM UTC
HEAD TO HEAD
G. Ivan Justo vs A. Daniel Vallejo

ARG
0
Win
Played
1
Win

PAR
0
Win
Played
1
Win
Head-to-head: Justo 0 - 1 Vallejo
They have played 3 sets in total, with Guido Ivan Justo winning 1 and Adolfo Daniel Vallejo winning 2. The last match between Adolfo Daniel Vallejo and Guido Ivan Justo was at the Montevideo Challenger, 12-11-2025, Round: R1, Surface: Clay, with Adolfo Daniel Vallejo getting the victory 4-6 6-2 6-3.
| Players | Head To Head Match Wins |
|---|---|
| Justo | 0 |
| Vallejo | 1 |
Last 1 H2H Matches:
(R1) Montevideo Challenger(11-12-25)
G. I. Justo vs A. D. Vallejo H2H Profile
| Stats | ||
|---|---|---|
| $0 | Career Prize Money | $72,000 |
| 60.56% (215-140) | Career Total W/L | 57.02% (134-101) |
| 0 | Clay | 1 |
| 4 | Titles | 6 |
| 0 | Total H2H Matches | 1 |
| 0% (0-0) | YTD Win/Loss | 0% (0-0) |
G. I. Justo vs A. D. Vallejo Match Preview:
- In terms of second serve performance, Adolfo Daniel Vallejo holds a slight advantage with a 43.03% win rate, compared to Guido Ivan Justo's 40.60%. Could this edge tip the match in Vallejo's favor?
- Looking at return game stats, Guido Ivan Justo leads in both first and second serve returns, with 33.13% and 47.80% respectively. Adolfo Daniel Vallejo trails with 28.00% and 45.77%.
- When facing breakpoints, Vallejo has a higher success rate of 52.35% in saving them, compared to Justo’s 49.12%. How might this impact crucial game points?
- Over the past year, Justo has a higher win percentage at 66.67% (W/L 52/26) versus Vallejo’s 60.56% (W/L 43/28). Could Justo's overall success play a decisive role?
- Both players excel on clay, with identical win percentages of 62%, suggesting no clear advantage on this surface for either player.
- Justo has predominantly played in Futures/Satellites/ITF tournaments with a 76.19% win rate, while Vallejo competes in Challengers/ITF tournaments with a 50.94% win rate. Does Justo's higher success in less competitive events translate to this match?
- Vallejo has faced players with higher average rankings (308.94) than Justo (377.19), possibly giving him experience against stronger competition.
- If the match extends to a deciding set, Vallejo again holds an advantage with a 63% win rate versus Justo’s 52% over the past year.
- Break point conversion favors Justo at 38.12%, slightly better than Vallejo’s 33.33%, potentially influencing critical game junctures.
Editorial Prediction (November 11, 2025, UTC):
Both Guido Ivan Justo and Adolfo Daniel Vallejo show strengths in various performance metrics, making this match a potential toss-up. Justo has shown remarkable consistency in return games and overall match performance over the past year, boasting a higher win percentage.
Conversely, Vallejo excels in facing stronger opponents and maintains better composure in deciding sets, which may be beneficial in high-pressure situations.
While Justo shows promising break point conversion rates and competitiveness on his favored clay surface, Vallejo’s experience against higher-ranked players and superior breakpoint saving ability under pressure give him a potential edge.
Considering the multi-faceted strengths of both, Vallejo's experience against tougher competition and his recent form in clutch situations suggest he is more likely to emerge victorious in this matchup.
Guido Ivan Justo vs Adolfo Daniel Vallejo Editorial Preview By TennisTipster88.
G. I. Justo vs A. D. Vallejo H2H Stats Used In Our Predictions
| Stats | ||
|---|---|---|
| 0 | H2H Matches Won | 1 |
| 1 | Sets Won | 2 |
| 11 | Games Won | 16 |
| 1 | Aces (Total) | 3 |
| 3 | Total Double Faults | 3 |
| 2:31:46 | Average Match Time | 2:31:46 |
| 60% (55/92) | 1st Serve % | 71% (61/86) |
| 58% (32/55) | 1st Serve Win % | 70% (43/61) |
| 41% (15/37) | 2nd Serve Win % | 28% (7/25) |
| 50% (5/10) | Break Pts Won % | 37% (7/19) |
| 42% (36/86) | Return Points Win % | 49% (45/92) |
| 0% (0/1) | Best‑of‑3 Win % | 100% (1/1) |
| 0% (0/1) | Deciding Set Win % | 100% (1/1) |
| 0% (0/1) | 1st Set Won, Won Match | 0% (0/0) |
| 100% (1/1) | 1st Set Won, Lost Match | 0% (0/0) |
| 0% (0/0) | 1st Set Lost, Won Match | 100% (1/1) |
Recent Performance Stats
G. I. Justo Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
R1 | L | 4-6 6-2 6-3 | ||
Q3 | W | 6-3 6-1 | ||
Q1 | W | 6-4 6-1 | ||
Q3 | L | 7-5 1-6 6-3 | ||
Q1 | W | 6-0 6-1 | ||
A. D. Vallejo Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
QF | L | 2-6 6-2 6-3 | ||
R2 | W | 2-6 6-3 6-4 | ||
R1 | W | 4-6 6-2 6-3 | ||
R1 | L | 7-6(2) 7-6(5) | ||
F | L | 6-1 6-2 | ||

G. I. Justo vs A. D. Vallejo Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 60.56% (215/140) | YTD Win/Loss | 57.02% (134/101) |
| 58.50% (475/337) | Sets Win/Loss | 55.29% (298/241) |
| 53.44% (3927/3422) | Games Win/Loss | 52.23% (2579/2359) |
| 48.15% (13/14) | Hard Win/Loss | 56.36% (31/24) |
| 61.85% (201/124) | Clay Win/Loss | 57.71% (101/74) |
| 33.33% (1/2) | Indoor Hard W/L | 40.00% (2/3) |
| 0.11 | Aces Per Game | 0.15 |
| 395 | Aces Total | 351 |
| 0.2 | Double Faults Per Game | 0.29 |
| 707 | Total Double Faults | 705 |
| 1:29:53 | Average Match Time | 1:39:26 |
| 417.26 | Average Opponent Rank | 375.77 |
| 66% (13008/19747) | 1st Serve % | 62% (8991/14573) |
| 63% (8147/13008) | 1st Serve Win % | 63% (5690/8991) |
| 49% (3280/6738) | 2nd Serve Win % | 49% (2740/5581) |
| 47% (1100/2364) | Break Points Won % (Total) | 45% (765/1686) |
| 44% (8859/20015) | Return Points Win % | 43% (6261/14536) |
| 0% (0/0) | Slam W/L | 50.00% (1/1) |
| 0% (0/0) | Cups W/L | 60.00% (3/2) |
| 0.00% (0/2) | Main Tour W/L | 0.00% (0/1) |
| 53.01% (44/39) | Challenger W/L | 49.23% (64/66) |
| 63.33% (171/99) | Futures W/L | 68.04% (66/31) |
| 61% (210/345) | Best of 3 Sets Win % | 57% (131/230) |
| 25% (1/4) | Best of 5 Sets Win % | 50% (2/4) |
| 60% (50/84) | Tiebreaks Win % (Total) | 36% (18/50) |
| 56% (59/105) | Deciding Set Win % | 57% (38/67) |
| 90% (199/179) | 1st Set Won, Won Match | 86% (130/112) |
| 10% (199/19) | 1st Set Won, Lost Match | 13% (130/17) |
| 22% (155/34) | 1st Set Lost, Won Match | 21% (105/22) |
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