A breakdown of the withdrawals, retirements, and medical timeouts happening in the fifth week of the 2017 WTA season.
WTA Staff

St. Petersburg Ladies Trophy

Pre-Tournament Withdrawals

Barbora Strycova (left hip)

Karin Knapp (right knee)

Stefanie Voegele (right wrist) - withdrew prior to 1R

Retirements

Johanna Larsson (left hip) - 1R vs. Yulia Putintseva, 6-0, 1-0 - later withdrew from doubles

Medical Timeouts

Anna Kalinskaya (right knee) - 1R, l. Daria Gavrilova, 6-4, 7-5

Natalia Vikhlyantseva (upper respiratory illness) - SF, l. Kristina Mladenovic, 4-6, 6-2, 6-2

Taiwan Open

Pre-Tournament Withdrawals

Christina McHale (right shoulder)

Alison Riske (left thigh)

Pauline Parmentier (right knee)

Catherine Bellis (hip)

Kristina Kucova (knee)

Sabine Lisicki (right shoulder)

Retirements

Sorana Cirstea (left wrist) - 1R vs. Risa Ozaki, 7-6(3), 3-2

Medical Timeouts

Jana Cepelova (right calf muscle tightness) - 1R, l. Mandy Minella, 1-6, 7-6(2), 6-4

Mandy Minella (left wrist) - 1R, d. Cepelova

Katerina Siniakova (GI Illness) - 1R, d. Galina Voskoboeva, 5-7, 6-4, 6-2

Zhu Lin (left knee) - 1R, d. Magda Linette, 6-3, 5-7, 6-4

Evgeniya Rodina (viral illness) - 1R, l. Elina Svitolina, 6-0, 6-3

Jelena Jankovic (left lower back) - 1R, l. Kurumi Nara, 6-7(4), 7-5, 6-4

Mandy Minella (left foot) - 2R, d. Caroline Garcia, 6-4, 6-4