Michael Zheng (USA): first week in the top 100 — up to No. 88, from a previous best of No. 106, in the week of September 14, 2026. Here is the road, from the record.
It began in June 2021: Beat Peck in the first round of qualifying at M15 Champaign 1, with no ranking to speak of.
The steps came in this order: first Challenger main draw in May 2023; Grand Slam qualifying debut in August 2023; first ITF title in August 2024; first Challenger title in August 2025 (No. 416 at the time); first week in the top 300 in September 2025; first week in the top 250 in September 2025; Grand Slam main-draw debut in January 2026 (No. 174 at the time); first tour-level main draw in February 2026 (No. 151 at the time).
From the first recorded match to the top 100 took 5 years and 3 months.
Today Zheng is ranked No. 88, with 54 weeks inside the top 500 on record.
Nobody on Unseeded was following Zheng before this week. The next one is out there.