Tennis · Challenger Winnipeg · 21/07, 17:00
Prediction: Justin Boulais vs Johannus Monday
Prediction summary
Winner
Justin Boulais
Johannus Monday
Estimated games
22.4Bet365 line 21.5
Recent form · 10 last
Justin Boulais
5-5 (W-L)
Johannus Monday
5-5 (W-L)
Our model (Elo) vs Market
Rating Elo · Justin Boulais 1496 · Johannus Monday 1502
| Justin Boulais | Johannus Monday | |
|---|---|---|
| Our model | 49% | 51% |
| Market | 39% | 61% |
The bar above blends our model with the market: where our probability diverges most from the odds is where the model sees the widest gap.
Statistics
| Justin Boulais | Johannus Monday | |
|---|---|---|
| Win % | 40% | 50% |
| Win % · Hard | 38% (8) | 60% (5) |
| Sets (G-P) | 1.1-1.3 | 1.1-1.2 |
| Games (G-P) | 11.7-12.2 | 11.6-11.3 |
| Aces | 3.8 | 4 |
| Double faults | 3.2 | 3 |
| 1st serve % | 65.9% | 71.8% |
| Break % | 31% | 34.6% |
Estimated total games (ours)
22.4 · Bet365 line 21.5 · +0.9
Over 21.5: 56% · 1.72
Under 21.5: 44% · 2.00
Last 10 matches played
Last matches of each player (sets and games). W = win, L = loss. Common opponents to both are in blue.
Justin Boulais
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| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 17/07 | August Holmgren Challenger Granby · Hard |
0-2 | 4-12 | L |
| 15/07 | Yuta Shimizu Challenger Granby · Hard |
2-0 | 13-6 | W |
| 14/07 | Zhizhen Zhang Challenger Granby · Hard |
2-0 | 13-8 | W |
| 09/07 | Kenta Miyoshi M25 Laval |
0-2 | 6-13 | L |
| 08/07 | Millen Hurrion M25 Laval |
2-0 | 12-6 | W |
| 30/06 | Tung-Lin Wu Challenger Cary · Hard |
1-2 | 17-19 | L |
| 29/06 | Jay Friend Challenger Cary · Hard |
1-2 | 15-17 | L |
| 28/06 | Enzo Aguiard Challenger Cary · Hard |
2-1 | 19-15 | W |
| 17/06 | Ozan Baris M25 Tulsa · ~Hard |
1-2 | 13-14 | L |
| 09/06 | Ozan Baris M25 Wichita · ~Hard |
0-2 | 5-12 | L |
Johannus Monday
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| Date | Opponent | Sets | Games | Res. |
|---|---|---|---|---|
| 10/07 | Henry Searle Challenger Nottingham · Grass |
0-2 | 9-13 | L |
| 09/07 | Arda Azkara Challenger Nottingham · Grass |
2-0 | 12-5 | W |
| 07/07 | Matthew Summers Challenger Nottingham · Grass |
2-0 | 12-6 | W |
| 22/06 | Tristan Schoolkate Wimbledon · Grass |
0-2 | 8-13 | L |
| 13/06 | Giovanni Mpetshi Perricard ATP Queens · Grass |
0-2 | 7-12 | L |
| 03/06 | Blaise Bicknell Challenger Tyler · Hard |
1-2 | 15-18 | L |
| 29/05 | Aidan Mayo Challenger Little Rock · Hard |
0-2 | 11-14 | L |
| 26/05 | Braden Shick Challenger Little Rock · Hard |
2-0 | 12-8 | W |
| 25/05 | Christian Langmo Challenger Little Rock · Hard |
2-1 | 15-11 | W |
| 24/05 | Adhithya Ganesan Challenger Little Rock · Hard |
2-1 | 15-13 | W |
Frequently asked questions
Who is the favourite in Justin Boulais vs Johannus Monday?
Our model gives 56% to Johannus Monday, using surface Elo on hard.
What is the prediction based on?
On an Elo model by surface (hard) adjusted for opponent quality, compared with the market odds.

