Guido Ivan Justo vs Pedro SakamotoPrediction, Head-to-Head Results, and Stats
Guido Ivan Justo and Pedro Sakamoto have met 3 times since 2023; Guido Ivan Justo leads 2–1. Their first meeting came at Lima Challenger in 2023 on clay. On clay courts Justo leads 2–1. Justo has won the last 2 meetings. Across all meetings Justo has taken 4 sets to Sakamoto's 3. Their most recent meeting: Guido Ivan Justo won at Curitiba Challenger (2026).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Ivan Justo | Sakamoto | ||
|---|---|---|---|---|
| Indicator | Guido Ivan Justo | Pedro Sakamoto | ||
| Wins in straight sets | 71% | 34/48 | 72% | 26/36 |
| Wins a set when losing | 39% | 11/28 | 39% | 9/23 |
| Goes to a deciding set | 33% | 25/76 | 32% | 19/59 |
| Covers −1.5 sets as favorite | 46% | 12/26 | 50% | 13/26 |
| Covers +1.5 sets as underdog | 89% | 16/18 | 45% | 9/20 |
| Tiebreak sets won | 48% | 10/21 | 64% | 9/14 |
| Wins after taking set 1 | 93% | 42/45 | 84% | 32/38 |
| Wins 2-0 after taking set 1 | 76% | 34/45 | 68% | 26/38 |
Colored rows are higher-is-better: green above 50%, red below. Favorite/underdog set by book odds; cover rows count only matches with odds on record. Head-to-head: 2 of 3 completed meetings ended in straight sets (Ivan Justo 1, Sakamoto 1).
Style Matchup
Playing styles and historical archetype record
Justo
⚔️ The Gladiator
Sakamoto
🪃 Counterpuncher
Matchup analysis
The 🪃 Counterpuncher archetype wins about 53% vs ⚔️ The Gladiator across 2,464 matches in our dataset: a stylistic lean toward Pedro Sakamoto.
Counterpuncher players often use elite bp conversion and strong return game to pressure the the gladiator's physical intensity.
Previous meetings
3 career meetings, newest first
Oct 1, 2026
Curitiba Challenger
C Clay · 2nd Round
Apr 30, 2024
Porto Alegre Challenger
C Clay · 1st Round
Aug 22, 2023
Lima Challenger
C Clay · 1st Round
Prop Research
Hit rates on common betting markets · Last 90 days
| Outcome | Justo | Sakamoto | ||
|---|---|---|---|---|
| Outcome | Guido Ivan Justo | Pedro Sakamoto | ||
| 1 or more | 79% | 11/14 | 79% | 11/14 |
| 3 or more | 21% | 3/14 | 50% | 7/14 |
| 5 or more | 7% | 1/14 | 14% | 2/14 |
| 10 or more | 0% | 0/14 | 0% | 0/14 |
| 15 or more | 0% | 0/14 | 0% | 0/14 |
| 20 or more | 0% | 0/14 | 0% | 0/14 |
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Justo | Sakamoto |
|---|---|---|
| W-L | 8–1 | 9–4 |
| Avg odds | 2.14 | 1.75 |
| ROI % | +89.0% | -0.8% |
| Units P/L | +8.01u | -0.11u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Travel
Last 30 days
| Metric | Justo | Sakamoto |
|---|---|---|
| Countries | 2 | 1 |
| Events | 2 | 1 |
| Matches | 7 | 4 |
| Distance | 835 mi · 1,344 km | 0 mi · 0 km |
| Route | ARG → BRA | BRA |
Host country from each tournament in the last 30 days, including the current event even when a player arrived on a bye. Route is the order of countries visited; consecutive stops in the same country are shown once. Distance is the great-circle total between host cities, shown only when every stop in the window is geocoded. A rough fatigue signal, not a headline stat.
Common opponents
Results vs. opponents both players faced · Last 12 months
Justo has a higher win rate against shared opponents (80% vs Sakamoto's 50%).
| Opponent | Justo | Sakamoto |
|---|---|---|
| Franco Roncadelli | W 76 62 | L 67 46 |
| Eduardo Ribeiro | W 76 75 | W 63 64 |
| Victor Hugo Remondy Pagotto | W 62 61 | W 64 67 64 |
| Juan Bautista Torres | L 36 36 | L 76 26 06 |
| Genaro Alberto Olivieri | W 63 61 | W 46 75 61 |
| Juan Alejandro Hernandez | W 60 61 | L 64 46 16 |
| Luis Felipe Miguel | W 64 60 | W 76 63 |
| Alvaro Guillen Meza | L 67 63 26 | L 75 57 36 |
| Joao Eduardo Schiessl | W 64 46 75 | W 64 64 |
| Conner Huertas del Pino | W 61 36 61 | L 46 36 |
Recent Form
Last five matches per player
Joao Lucas Reis Da Silva
Antofagasta Challenger · 2nd Round
Oct 7
Francisco Comesana
Antofagasta Challenger · 1st Round
Oct 6
Gustavo Heide
Curitiba Challenger · Final
Oct 4
Tomas Barrios Vera
Curitiba Challenger · Semifinals
Oct 3
Gonzalo Villanueva
Curitiba Challenger · Quarterfinals
Oct 2
Pedro Sakamoto
Curitiba Challenger · 2nd Round
Oct 1
Franco Roncadelli
Curitiba Challenger · 1st Round
Sep 30
Facundo Mena
Buenos Aires Challenger · 2nd Round
Sep 23
Guido Ivan Justo
Curitiba Challenger · 2nd Round
Oct 1
Eduardo Ribeiro
Curitiba Challenger · 1st Round
Sep 30
Santiago De La Fuente
Curitiba Challenger · 3rd Round Qualifying
Sep 28
Joao Vitor Goncalves Ceolin
Curitiba Challenger · 1st Round Qualifying
Sep 27
Mateus Alves
M15 Curitiba · Final
Sep 27
Nicolas Zanellato
M15 Curitiba · Semifinals
Sep 26
Juan Sebastian Osorio
M15 Curitiba · Quarterfinals
Sep 25
Joao Vitor Goncalves Ceolin
M15 Curitiba · 2nd Round
Sep 24
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 59–76 matches
| Metric | Justo | Sakamoto |
|---|---|---|
| Matches won | 63% | 61% |
| Sets won | 60% | 59% |
| Games won | 55% | 54% |
Record by tier
Head-to-head record by tournament tier
| Stage | Justo | Sakamoto |
|---|---|---|
| ATP Challenger Tour | 2 | 1 |
By surface
Head-to-head record per surface
| Surface | Justo | Sakamoto |
|---|---|---|
| Clay | 2 | 1 |
Share this matchup
Copy the link to paste in Discord or group chats.