Winner to face Nakashima or Quinn in the R32.
In the battle of the southpaws, American World No. 7 Ben Shelton takes on French veteran Adrian Mannarino in the 2025 National Bank Open Round of 64 on Wednesday. While Shelton received a bye in Round-1, Mannarino came through qualifying to reach this stage. Who is the favourite in terms of our prediction and the BetMGM betting market? Stay tuned to find out.
Shelton walks into this encounter on the back of a promising semifinal finish at Washington DC. The 22-year-old has a 26-16 record this year, including the final at the BMW Open in Munich and semifinals at the Australian Open, BOSS Open and Citi DC Open. The powerful southpaw is going through a purple patch at the moment – reaching his career-best World No. 7 ranking by climbing up for the third consecutive week.
NEW WORLD #7❗
— TENNIS (@Tennis) July 28, 2025
🇺🇸 @BenShelton is up to a new career-high ranking of #7 today after his run to the semifinals in Washington DC. 🔥📈
The 22-year-old is just the second American man since 2011 to reach #7 or higher on the ATP rankings, after Taylor Fritz:https://t.co/D3TG3RpBic
At the age of 37, Mannarino continues to impress one and all. The Frenchman is known for his uncannily effortless style of play, earning him a career-high ranking of No. 17 in the world. Mannarino defeated Canada’s Aguilar in the qualifying tournament, before beating Giron in Round-1. He has a 33% success rate on the ATP Tour in 2025, and is searching for his first title since 2023.
ADRIAN MANNARINO RETROUVE LA VICTOIRE EN MASTERS 1000 ⭐️🇫🇷
— Game, Set & Talk (@GameSetAndTalk) July 28, 2025
Après être sorti des qualifications, le Français écarte Marcos Giron 🇺🇸 en 2 sets (6-4, 6-4) pour décrocher sa première victoire dans la catégorie depuis 8 mois !!! 🔙
Il affrontera Ben Shelton 🇺🇸 au 2ème tour. ⚔️ pic.twitter.com/dkGioVweAr
Adrian Mannarino leads the head-to-head against Ben Shelton by 2-0. They have faced one another once each at the Grand Slam and Masters-1000 level, with the French elder-statesman emerging victorious on both occasions. However, it wasn’t without any tension – the results of both encounters were determined by a deciding set.
| Event | Round | Winner | Score |
| 2024 Australian Open | Round of 32 | Adrian Mannarino | 7-6(4) 1-6 6-7(2) 6-3 6-4 |
| 2023 Miami | Round of 64 | Adrian Mannarino | 6-4 3-6 6-1 |
| Ben Shelton | Category | Adrian Mannarino |
| 0 | Grand Slams | 0 |
| 2 | ATP Singles Titles | 5 |
| 0 | ATP Doubles Titles | 0 |
| 0 | Masters-1000 Titles | 0 |
| – | Olympics Best Performance | – |
| No. 7 | Current World Ranking | No. 94 |
While Mannarino has gotten the better of Shelton in the past, the American has worked on his all-round game since then. He is no longer what modern tennis fans call a ‘serve-bot’. Shelton will look to get Mannarino moving from side to side, as the Frenchman has ageing legs which aren’t used to the pace of top opponents. But if the 37-year-old can settle into some rhythm on return games, it will be challenging for Shelton to advance into the next round.
Prediction: Ben Shelton in three sets.
Shelton is the firm favourite in this Canadian Open Round of 64 against the underdog Mannarino. According to the money line, Shelton has an 85% chance of entering the third round in Toronto. Here are the match-specific odds (as per BetMGM):
(According to BetMGM: BetMGM offers exclusive promo codes, bonus deals and accurate odds for users upon signing up. Use BetMGM to ace your betting game in all sports!)
(Image Credits: Eric Bolte, Imagn Images)
A passionate sports fan through and through, I am currently pursuing my MA in Global Sports Journalism. I specialise in tennis and football writing at The Playoffs News, and I have prior experience working at EssentiallySports and Sportskeeda. Born and raised in Bengaluru, India, sport was my safe space right from my childhood. After trying my hand at multiple sports and representing my educational institutions in cricket, badminton and table tennis, I found sports media to be my calling.
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