Coco Gauff, the world No. 4, advanced to the semifinals of the National Bank Open in Toronto via walkover on Tuesday, August 11, 2026, after Belinda Bencic withdrew due to a hip injury. According to The Globe and Mail and Sportsnet.ca, Gauff will face world No. 2 Elena Rybakina in the next round.
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The Buildup, The Practice Session, and The Sudden Exit
The afternoon of Tuesday, August 11, 2026, began with routine preparation before turning into an abrupt medical scratch at the Aviva Centre in Toronto. According to reporting from The Athletic, Gauff completed a sharp, 30-minute practice session on Centre Court less than three hours before the scheduled 7 p.m. ET start time. Working alongside coach Jean-Christophe Faurel and biomechanics specialist Gavin MacMillan, Gauff appeared relaxed, smiling, and striking the ball cleanly across all quadrants of the court.
But the tape and the training sessions told one story while physical reality told another. Bencic announced her withdrawal just hours before the opening serve, releasing a statement via tournament officials. “I am really sorry to not be able to compete tonight,” Bencic stated, emphasizing her disappointment at missing the Toronto fans.
Bencic later addressed the crowd directly on Centre Court alongside Sportsnet’s Shawn Michaud, detailing the severity of her physical setback. She admitted that she attempted to warm up and take painkillers, but ultimately concluded that competing at anything less than full capacity was impossible. “Even if I came out, I wouldn’t be close to my best,” Bencic told the crowd, confirming the acute hip issue that cut her Canadian Open campaign short.
Tactical Evolution: Gauff’s Serves and the MacMillan Effect
While the walkover grants Gauff a physical advantage entering the penultimate round, her run to the Toronto semifinals is built on tangible technical adjustments. As detailed by The Athletic, Gauff is approaching the one-year mark of her collaboration with biomechanics specialist Gavin MacMillan, a partnership initiated at the start of the 2025 U.S. Open explicitly to overhaul her delivery.
The statistical transformation on her service games is stark. Through her initial matches at the 20026 National Bank Open, Gauff has maintained a 62 percent first-serve average, tallying 12 aces against 16 double faults. That baseline represents a massive structural improvement from prior seasons, most notably her infamous 23-double-fault outing during the second round of this very tournament in previous years.
“Trying to just make it more consistent and not chasing so many tosses,” Gauff explained regarding her mechanical tweaks. “Also just trying to disguise my serve a little bit. I feel like it is a little bit hard to read, at least that’s what I think.”
Statistical Tale of the Tape: Toronto Semifinalists
| Player | WTA Ranking | 2026 Match Wins | WTA 1000 Semifinals | Current NBO Path |
|---|---|---|---|---|
| Coco Gauff | No. 4 | 34+ ( entering QF ) | 16th career | Advanced via walkover (Bencic withdrawal) |
| Elena Rybakina | No. 2 | Varies by event | Multiple | Def. Naomi Osaka 4-6, 7-6(5), 6-4 |
The Semifinal Showdown Awaiting in Toronto
Gauff now turns her focus toward a blockbuster semifinal clash against Elena Rybakina. The world No. 2 punched her ticket to the final four by outlasting Naomi Osaka in a grueling 2-hour, 33-minute thriller ending 4-6, 7-6(5), 6-4, according to match reports from WTA Tennis. The contrast in physical load heading into this match could prove decisive; Gauff enters fresh off a walkover, whereas Rybakina absorbed a heavy physical tax against Osaka.
This upcoming fixture represents a crucial milestone for Gauff as she hunts her first WTA singles title of 2026 and the 12th of her professional career. Having navigated the early rounds with confident victories over Kayla Day, 29th-seed Maria Sakkari, and qualifier Alina Korneeva, the American enters the weekend with momentum.
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