Gilbert Klier Junior hit with 12-month doping ban Wolf ousts Tiafoe in Dallas Open quarters, Isner advances John Isner wins 499th tiebreaker, reaches Dallas Open quarters

LONDON – Brazil’s Gilbert Klier Jr., 2018 Youth Olympic bronze medalist, has been suspended for 12 months in a doping case, the International Tennis Integrity Agency said.

The ITIA said it acknowledged that Klier Jr. did not dope intentionally and that the banned substance SARM S-22 entered his body through a contaminated supplement. However, it stated that he had some responsibility, especially “after other high-profile cases involving Brazilian tennis players and other athletes.”

22-year-old Klier Junior is ranked 354th in his career and won bronze in singles at the 2018 Youth Olympic Games.

The ban was retroactive to last June, when Klier Jr. was first suspended from competition while the case was pending.

DALLAS. JJ Wolf took a three-set victory over No. 2 seed Frances Tiafoe and John Isner won his 500th career tiebreak in another straight Dallas Open quarter-final victory.

No. 1 seed Taylor Fritz beat No. 7 seed Marcos Giron 7-6(7), 3-6, 6-3 in a rematch after last year’s Dallas Opener Quarterfinal, when Chiron won in three sets . hosted the first ATP Tour All-American Semi-Final since 2004.

In Dallas, there was no chance of replaying the four semi-finalists from the United States: in the last quarter-final, the Chinese Ibing Wu met with Adrian Mannarino from Italy, who took eighth place. Wu rolled to a 6-3, 6-4 win and will face Fritz.

Wolf, seeded No. 6, reached his second career semi-final by removing two break points in the deciding game of another All-American game to end the win 4-6, 6-3, 6-4 with his 11th ace to his credit. . second match point.

Wolf lost twice to Thiafo, last year’s US Open semi-finalist, while having nine break points in the first set. The 24-year-old did not have another break point until the final game.

“Usually I don’t think about the result, so I just fed on the energy of the fans and won back every point with all my might,” Wolf said.

Wolff’s opponent is fifth-seeded Incer, who returned to the semi-finals in his second year of the tournament in his hometown after a 7-6(8), 7-5 win over Ecuador’s Emilio Gomez, the unseeded 31-year-old son of 1990 French Open Champion Andres Gomez.

Isner is the first ATP Tour player to reach 500 tiebreak wins. Roger Federer is second with 466 points.

Isner and Gómez, who played in his first tour-level quarter-final, won all points on their tiebreaker service until Isner took a 9–8 lead on Gómez’s service before serving the first set.

Inser ended the match with a single break, and the big-serving American never had a break on serve in any of his three matches.

Fritz, the highest-ranked American at number 8, reached the semi-finals after a disappointing second-round exit at the Australian Open. The 25-year-old has won three titles in 2022 and reached the semi-finals of Wimbledon.

After losing the second set, Fritz interrupted Giron’s serve to give a 2-0 lead in the deciding set and stayed ahead from there.

It took Wu just 73 minutes to eliminate Mannarino’s journeymen and reach the ATP semi-finals for the first time.

Wu saved all three break points he faced by converting three of four breakmen against Mannarino.

Wu, 23, became the first Chinese to reach the third round of the US Open when he did so in qualifying last year. Having been injured for most of the 2019/20 season, Wu made it to the top 100 for the first time.

DALLAS. John Isner extended his record by winning his 499th career tiebreak to advance to the quarterfinals of his hometown Dallas Open by defeating Daniel Altmaier 6-3, 7-6 (1).

Isner won the final seven points after losing 1–0 in a tiebreak after receiving two of his 18 aces. The American number five reached the semi-finals of the first tournament in Dallas last year.

Another 2022 semi-finalist, top-seeded American Taylor Fritz, joined Isner in the quarter-finals in a 7–6(5), 6–4 win over wild-carded Jack Sock of the United States.

Isner made the only break of his match to take a 4-2 lead in the first set and then closed the set with his love on his serve.

The second round victory came after Isner won both tiebreaks in straight sets, defeating Chun-Hsin Tseng. Isner won the last six points of the second tiebreaker against Tseng with a big serve. Roger Federer has the second most career tiebreaker wins with 466 wins.

Isner will face Emilio Gomez, who has rallied to force out the Serbian with fourth seed Miomir Kecmanovic 2-6, 7-6(4), 6-4.

Fritz’s opponent in the quarterfinals was the American Marcos Giron, seeded under the seventh number, who defeated the German Oscar Otte with a score of 6-4, 6-3.

No. 8 seed Adrian Mannarino of Italy advanced to the quarter-finals with a 6–2, 7–6 (3) win over Australia’s Jordan Thompson.

Mannarino will face China’s Yibin Wu, who beat Canadian third seed Denis Shapovalov 7-6(1), 6-4.

Isner was leading 3-1 in the tie-break when Altmayer lost a second consecutive point on his serve, receiving Isner’s volley but sending it off target, the German slammed his racquet in desperation.

After an ace and Isner’s winning volley, Altmaier missed with a drop shot at match point.

“I just played great in the tiebreak to win the match, and I also played great in the tiebreak for my first-round win,” said Isner, whose home is a few blocks from the indoor court on the SMU campus.

Fritz, who said goodbye in the first round, won the last two points in a tight first set tiebreaker, got the only break of the match to start the second set and advanced on his third match point. Fritz finished in eighth place, beating Sok in this competition for the second year in a row.