Thiem and Massu have worked together for more than four years. Under the watchful eye of the 43-year-old, Thiem won the US Open title in the year 2020 and reached a career-high ranking of number 3 the same year
Thiem and Massu have worked together for more than four years. Under the watchful eye of the 43-year-old, Thiem won the US Open title in the year 2020 and reached a career-high ranking of number 3 the same year
