# Ben Shelton Upsets Defending Champion Carlos Alcaraz in Five-Set US Open 2026 Quarter-Final Marathon > World No. 8 Ben Shelton defeated World No. 3 and defending champion Carlos Alcaraz in a five-set quarter-final thriller lasting 4 hours and 28 minutes at the US Open 2026, ending Alcaraz's 18-match Grand Slam winning streak. **Type:** article · **Category:** Tennis · **Published:** 2026-09-09 · **Source:** TrendKia **Canonical:** https://trendkia.com/en/tennis/ben-shelton-ne-5-seta-ke-mairathana-mukabale-men-diphendinga-chainpiyana-carlos-alcaraz-ko-harakara-semiphainala-men-banai-jagaha-30192 · **Language:** English **Tags:** US Open 2026, Carlos Alcaraz, Ben Shelton, Tennis, Grand Slam A major upset unfolded in the men's singles quarter-finals at the US Open 2026 as defending champion and World No. 3 Carlos Alcaraz was knocked out of the tournament. American player Ben Shelton, currently ranked World No. 8, produced an extraordinary performance to defeat Alcaraz in a thrilling five-set contest to secure his place in the semi-finals. This defeat ended Alcaraz's campaign to retain his crown in New York. ## A Five-Set Marathon Lasting 4 Hours and 28 Minutes The high-stakes quarter-final encounter stretched over a grueling 4 hours and 28 minutes, offering tennis fans intense drama from start to finish. The opening set saw a tightly contested battle between both athletes. Alcaraz managed to hold his nerve in the tiebreaker to take the first set 7-6, establishing an early 1-0 lead in the match. > However, Ben Shelton responded with remarkable aggression to tilt the momentum in his favor. In the second set, the 8th seed dominated the court, breaking Alcaraz multiple times to take it 6-1 and level the scoreline at 1-1. Shelton carried that wave of momentum directly into the third set, maintaining complete control over his service games to win 6-3 and take a 2-1 match lead. ## Alcaraz Fights Back Before a Deciding Set Tiebreaker Facing elimination, Carlos Alcaraz demonstrated his champion mindset in the fourth set. The Spanish star stormed back with precision hitting, overpowering Shelton 6-1 to force a deciding fifth set at 2-2. The final set proved to be an edge-of-the-seat affair as both players produced exceptional tennis while protecting their serves. With neither player giving ground, the fifth set proceeded to a decisive tiebreaker. Shelton held his composure during the pressure points, striking key winners to claim the tiebreaker and close out the final set 7-6. The victory marked one of the biggest wins of Shelton's career as he marched into the US Open semi-finals. ## End of an 18-Match Grand Slam Winning Streak The defeat to Ben Shelton brought a dramatic end to Carlos Alcaraz's impressive 18-match winning streak in Grand Slam competitions. Prior to this match, Alcaraz had not suffered a loss at a major tournament since the 2025 Wimbledon final, where he was defeated by Jannik Sinner. Since that loss, Alcaraz had remained undefeated in Grand Slam action until Shelton halted his run. ## Return From Injury After Missing Major Tournaments Alcaraz's run at the US Open came during a comeback phase, having dealt with physical setbacks earlier in the season. Injury troubles had forced him to withdraw from both the French Open and Wimbledon in 2026. Although he showed strong form reaching the quarter-finals in New York, the physical toll of a four-hour marathon against an inspired Shelton ultimately proved decisive. ## What this means for you This major quarter-final upset at the US Open 2026 has dramatically altered the tournament dynamics and energized tennis fans worldwide. - **Tournament Draw Dynamics:** Carlos Alcaraz's elimination guarantees a brand-new men's singles champion at the US Open 2026. This opens up the remaining bracket and increases title opportunities for the semi-finalists. - **Ben Shelton's Career Milestone:** Defeating the defending champion marks a landmark achievement for World No. 8 Ben Shelton. This victory significantly boosts his ranking points and solidifies his position among elite Grand Slam contenders. - **Impact on Tennis Fans:** The 4-hour 28-minute five-set marathon delivered high-level tennis drama to viewers globally. The exit of the defending champion sets up unpredictable and highly anticipated semi-final showdowns. - **Alcaraz's Comeback Journey:** While the loss ends Alcaraz's title defense, pushing a five-set marathon demonstrates encouraging progress in his physical recovery. His focus will now shift toward restoring peak match fitness for future tournaments. ## Why this happened Ben Shelton's victory over Carlos Alcaraz was shaped by aggressive tactical execution and match fitness dynamics over a 4-hour 28-minute endurance test. The outcome reflected Shelton's high-power game and Alcaraz's recent physical setbacks. - **Shelton's Dominant Service Game:** Ben Shelton applied relentless pressure through heavy serves and aggressive baseline winners during the second and third sets. His aggressive rhythm forced Alcaraz into defensive positions throughout key stretches. - **Alcaraz's Match Rhythm Deficit:** Injury troubles had sidelined Alcaraz from both the French Open and Wimbledon earlier in 2026. Returning directly to a grueling five-set major marathon tested his endurance and match rhythm under peak pressure. - **Clutch Tiebreaker Execution:** In the decisive fifth-set tiebreaker, Shelton exhibited remarkable composure on high-stakes points. He capitalized on crucial opportunities and held serve firmly to seal the match without conceding momentum. ## Questions & Answers ### 1. Who defeated Carlos Alcaraz in the US Open 2026 quarter-finals? World No. 8 American tennis player Ben Shelton defeated Carlos Alcaraz in the quarter-finals. ### 2. How long did the quarter-final match between Alcaraz and Shelton last? The five-set match lasted 4 hours and 28 minutes. ### 3. What was the set score of the match? Ben Shelton won the match 6-7, 6-1, 6-3, 1-6, 7-6. ### 4. Which major record of Carlos Alcaraz came to an end with this loss? Alcaraz's 18-match consecutive winning streak in Grand Slam tournaments came to an end. ### 5. Which major tournaments did Alcaraz miss earlier in 2026 due to injury? Carlos Alcaraz missed both the French Open and Wimbledon in 2026 due to injuries. --- _TrendKia — Har trend, sabse pehle.. Machine-readable view; canonical HTML at the URL above._