Alexander Zverev celebrates a winning shot against Tallon Griekspoor in Round 2 of the BNP Paribas Open in Indian Wells, Calif., March 7, 2025.

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Alexander Zverev vs. Adam Walton Prediction and Betting Odds for ATP National Bank Open 2025 Second Round

Zverev eyes deep Toronto run as he faces challenger-turned-main-draw threat Adam Walton.

Alexander Zverev celebrates a winning shot against Tallon Griekspoor in Round 2 of the BNP Paribas Open in Indian Wells, Calif., March 7, 2025.

Top seed Alexander Zverev opens his 2025 National Bank Open campaign in Toronto with a second-round clash against Australia’s Adam Walton. The German received a bye, while Walton fought back from a set down to defeat Benjamin Bonzi, even handing him a second-set bagel.

Our top seed is in action real soon 👀

Come watch Alexander Zverev Tuesday night as he starts his title chase at the #NBO25 ‼️

TICKETS 🎟️ 👉 https://t.co/yuLp5wyVir pic.twitter.com/iSvpXIfXeu
— National Bank Open (@NBOtoronto) July 26, 2025

Zverev has enjoyed a strong season, headlined by a run to the Australian Open final, where he beat Novak Djokovic and Tommy Paul before falling to Jannik Sinner. He followed that with quarterfinal finishes in Argentina, Rio, Rome, and Roland Garros. He also won a title in Munich, upsetting Ben Shelton, and reached a Stuttgart final. A semifinal in Halle was followed by a shocking five-set Wimbledon loss to Arthur Rinderknech. So far, Zverev has hit 363 aces, won 75% of first-serve points, and converted 42% of 354 break chances.

Alexander Zverev wins his third Munich title 🏆🏆🏆#BMWOpen pic.twitter.com/xsUvFmKi2i
— TNT Sports (@tntsports) April 20, 2025

Walton has thrived on the Challenger circuit, winning Brisbane II and reaching finals in Busan and the Mifel Open semis. While he’s still finding his feet on the main tour, his recent form shows promise. He’s delivered 128 aces, won 69% of first-serve points, and converted 39% of break chances

Benjamin Bonzi freezes Adam Walton to win his opening set at @NBOtoronto 🥶

Watch #NBO25 on SN1 or stream on Sportsnet+ 📺 pic.twitter.com/FvTPIeE1nX
— Sportsnet (@Sportsnet) July 27, 2025

Alexander Zverev vs. Adam Walton Head-to-Head Record

Alexander Zverev and Adam Walton do not have a head-to-head yet.

Alexander Zverev vs. Adam Walton Comparison

Alexander Zverev	Category	Adam Walton
3	Current Ranking	88
498-212	Career W-L	11-23
35-14	YTD W-L	8-12
24	Career Titles	0
0	Grand Slams	0
1	YTD Titles	0

Alexander Zverev vs. Adam Walton Prediction

With a loaded resume this season and a well-rounded game, Zverev comes in as the clear favorite. Unless Walton produces something extraordinary, the top seed should cruise through in straight sets.

🇩🇪 Alexander Zverev training today at the Rafa Nadal Academy, under the watchful eye of Toni Nadal pic.twitter.com/a1KBFjZQjI
— Olly Tennis 🎾🇬🇧 (@Olly_Tennis_) July 14, 2025

Prediction: Alexander Zverev in straight sets

Alexander Zverev vs. Adam Walton ATP National Bank Open 2025 Betting Odds

Bookmakers have Zverev as the overwhelming 1/14 favorite, reflecting his consistent top-tier form. Walton, priced at 15/2, enters with nothing to lose, but an upset would be a major shock.

Here are the betting odds according to BetMGM:

Alexander Zverev: 1/14

Adam Walton: 15/2

Here are the odds for total games as well as total sets for both players (sourced via BetMGM):

Total Games Over 17.5: 30/100

Total Games Under 21.5: 11/20

Zverev to win: Set 1 – 1/6

Walton to win: Set 1 – 4/1

Total Sets Over 2.5: 9/4

Total Sets Under 2.5: 1/4

(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: Imagn Images

Adam Walton

Alexander Zverev

National Bank Open 2025

Rudra Dubey

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I’m an academic turned sports writer from Raipur, India, specializing in the NFL, MMA, and tennis at The Playoffs. I previously wrote for Sportskeeda and hold a B.A. and M.A. in History. My journey into sports media began far from the field, rooted in the arts and sciences. Funny enough, I didn’t grow up a sports fan; I used to see it all as just noise. But a fateful writing job introduced me to the world of sports, and what began as a gig quickly became a passion. I understood those voices aren’t noise; they’re emotions of true sports fans, and now I am one of them, writing with the same energy I once questioned.