Shiho Hisamatsu defeated Iveta Benesova 6-4 6-2 in the Tokyo qualifying round of 16 on hard. The upset overturned the form book — Iveta Benesova came in defending last year's quarter-final, but Shiho Hisamatsu had been the form player, winning 4 of their last 8 on hard.
Hisamatsu S. took it in straight sets.
Shiho Hisamatsu beat Iveta Benesova 6-4 6-2. Umpiry, "Shiho Hisamatsu vs Iveta Benesova — Tokyo Qualifying Round of 16", https://umpiry.com/match/2006-01-29/benesova-vs-hisamatsu-tokyo-q16?utm_source=cite (as of 29 January 2006).