Guillermo Rivera-Aranguiz vs Pedro SakamotoPrediction, Head-to-Head Results, and Stats
🇨🇱Guillermo Rivera-Aranguiz
Unranked
495w4 meetings · sets 0–8
🇧🇷Pedro Sakamoto
#503 · 33 yrs · R
9wGuillermo Rivera-Aranguiz and Pedro Sakamoto have met 4 times since 2015; Pedro Sakamoto leads 4–0. Their first meeting came at Santiago 2 in 2015 on clay. On clay courts Sakamoto leads 4–0. Sakamoto has won the last 4 meetings. Across all meetings Rivera-Aranguiz has taken 0 sets to Sakamoto's 8. Their most recent meeting: Pedro Sakamoto won at Bogota (2016).
Spread & Straight-Sets Form
Completed best-of-3 matches · Last 12 months
| Indicator | Rivera-Aranguiz | Sakamoto | ||
|---|---|---|---|---|
| Indicator | Guillermo Rivera-Aranguiz | Pedro Sakamoto | ||
| Wins in straight sets | — | 69% | 27/39 | |
| Wins a set when losing | — | 32% | 9/28 | |
| Goes to a deciding set | — | 31% | 21/67 | |
| Covers −1.5 sets as favorite | — | 52% | 15/29 | |
| Covers +1.5 sets as underdog | — | 48% | 11/23 | |
| Tiebreak sets won | — | 67% | 12/18 | |
| Wins after taking set 1 | — | 83% | 33/40 | |
| Wins 2-0 after taking set 1 | — | 68% | 27/40 | |
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. Small sample — read with care. Head-to-head: 4 of 4 completed meetings ended in straight sets (Rivera-Aranguiz 0, Sakamoto 4).
Previous meetings
4 career meetings, newest first
Nov 7, 2016
Bogota
C Clay · 1st Round Qualifying
Mar 7, 2016
Santiago
C Clay · 2nd Round Qualifying
Oct 26, 2015
Lima
C Clay · 1st Round Qualifying
Oct 1, 2015
Santiago 2
C Clay · 1st Round Qualifying
Player ROI
Hypothetical if you put 1u on each player to win every one of their matches · Last 90 days
| Metric | Rivera-Aranguiz | Sakamoto |
|---|---|---|
| W-L | - | 3–4 |
| Avg odds | - | 1.52 |
| ROI % | - | -43.1% |
| Units P/L | - | -3.02u |
Small sample: ROI stabilizes with more matches; fewer than 10 in the window is noisy.
Recent Form
Last five matches per player
Simon Navarro
Santiago · 1st Round Qualifying
Mar 6
Emilio Gomez
Santiago · 2nd Round Qualifying
Mar 6
Pedro Sakamoto
Bogota · 1st Round Qualifying
Nov 7
Joao Pedro Sorgi
Santiago 2 · 2nd Round Qualifying
Oct 2
Gonzalo Urruticoechea
Santiago 2 · 1st Round Qualifying
Oct 1
Fernando Romboli
Medellin · 3rd Round Qualifying
Sep 26
Pedro Uribe
Medellin · 2nd Round Qualifying
Sep 26
Alberto Brizzi
San Benedetto · 1st Round Qualifying
Jul 1
Alan Magadan
Quito Challenger · 1st Round
Jun 30
Tanguy Genier
M25 Klosters · 2nd Round
Jun 18
Andrin Casanova
Futures 2026
Jun 17
Andrin Casanova
M25 Klosters · 1st Round
Jun 17
Oleksii Krutykh
M25 Ceska Lipa · Quarterfinals
Jun 12
Imanol Lopez Morillo
M25 Ceska Lipa · 2nd Round
Jun 11
Mikalai Haliak
M25 Ceska Lipa · 1st Round
Jun 9
Mikalai Haliak
Futures 2026
Jun 9
Rivalry momentum
Cumulative head-to-head lead over time
Win rate
Matches, sets and games won · Last 12 months · 67–67 matches
| Metric | Rivera-Aranguiz | Sakamoto |
|---|---|---|
| Matches won | - | 58% |
| Sets won | - | 56% |
| Games won | - | 53% |
Record by tier
Head-to-head record by tournament tier
| Stage | Rivera-Aranguiz | Sakamoto |
|---|---|---|
| ATP Challenger Tour | 0 | 4 |
By surface
Head-to-head record per surface
| Surface | Rivera-Aranguiz | Sakamoto |
|---|---|---|
| Clay | 0 | 4 |
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