MELBOURNE, Australia (AP) — Learner Tien, a 19-year-old qualifier from California, became the youngest American man to reach the Australian Open's third round since Pete Sampras in 1990, upsetting a racket-tossing Daniil Medvedev 6-3, 7-6 (4), 6-7 (8), 1 ...

Last year's Australian Open runner-up, Daniil Medvedev, will not repeat that result during the current campaign. After a massive battle, world no. 5 fell in the second round to Learnen Tien, suffering an early loss and heading home.

American teenager Learner Tien produced arguably the biggest shock of the Australian Open so far as he defeated last year’s runner-up Daniil Medvedev in five sets, 6-3, 7-6 (4), 6-7 (8), 1-6, 7-6 (7).

At the age of 19, Learner Tien defeated Daniil Medvedev in a five-set thriller that finished just before 3 a.m. in Melbourne.

became the youngest American man to reach the Australian Open’s third round since Pete Sampras in 1990, upsetting a racket-tossing Daniil Medvedev 6-3, 7-6 (4), 6-7 (8), 1-6, 7-6 (10-7). The 4-hour, 49-minute contest had a bit of everything, including ...

became the youngest American man to reach the Australian Open's third round since Pete Sampras in 1990, upsetting a racket-tossing Daniil Medvedev 6-3, 7-6 (4), 6-7 (8), 1-6, 7-6 (10-7 ...

became the youngest American man to reach the Australian Open’s third round since Pete Sampras in 1990, upsetting a racket-tossing Daniil Medvedev 6-3, 7-6 (4), 6-7 (8), 1-6, 7-6 (10-7 ...

When they resumed, Medvedev broke and served for the victory at 6-5, but Tien wouldn’t cede a thing, broke back, and forced the concluding first-to-10 tiebreaker that he emerged to win shortly ...

In his 1996 essay, “The String Theory,” David Foster Wallace — amid other musings on the burgeoning tennis career of an early-20s Michael Joyce — briefly considers the psyche of the typical sports consumer.

Jannik Sinner embraces the pressure of major finals and Alexander Zverev went down under the strain at Melbourne on Sunday.

Madison Keys pulled off a stunning victory, while Jannik Sinner charged to a convincing title defense. Plus, Paula Badosa and Ben Shelton impressed Down Under.

2022 — Rafael Nadal def. Daniil Medvedev, 2-6, 6-7 (5), 6-4, 6-4, 7-5. 2020 — Novak Djokovic def. Dominic Thiem, 6-4, 4-6, 2-6, 6-3, 6-4. 2018 — Roger Federer def. Marin Cilic, 6-2, 6-7 (5), 6-3, 3-6, 6-1.