Table:
text: 2001 Tennis Masters Series
Singles
Singles
Tournament Surface Week Winner Finalist Semifinalists
Canada (Montreal) Hard July 30 Andrei Pavel 7–6(3), 2–6, 6–3 Patrick Rafter (9) Tommy Haas Fabrice Santoro
Cincinnati Hard August 6 Gustavo Kuerten (1) 6–1, 6–3 Patrick Rafter (8) Tim Henman (7) Lleyton Hewitt (5)
Stuttgart Carpet (i) October 15 Tommy Haas (15) 6–2, 6–2, 6–2 Max Mirnyi (Q) Yevgeny Kafelnikov (5) Lleyton Hewitt (3)
Paris Carpet (i) October 29 Sébastien Grosjean (6) 7–6(3), 6–1, 6–7(5), 6–4 Yevgeny Kafelnikov (4) Andreas Vinciguerra Tommy Haas (7)

Question: What week was the tournament in Cincinnati under the 2001 Tennis Masters Series?