WTA Insider Courtney Nguyen | Angelique Kerber hires Alex Stober, Kimiko Date-Krumm stuns Sabine Lisicki and the SAP Tennis Analytics for Coaches officially launched
WTA Staff

- News: Angelique Kerber has hired Alex Stober as her new physio after Wimbledon. Stober previously worked with Li Na and Petra Kvitova.

- News: Agnieszka Radwanska is dealing with a back injury. Wednesday's order of play at the Bank of the West Classic has been adjusted to allow Radwanska an additional day of rest.

CHANGE IN PLAY: The match between Bank of the West Classic No. 2 seed Agnieszka Radwanska and Misaki Doi originally...

Posted by Bank of The West Classic on Tuesday, August 4, 2015

- The Ageless Wonder: 44-year-old Kimiko Date-Krumm, currently ranked No.174, scored her first WTA main draw win of the season with a stunning comeback to beat No.24 Sabine Lisicki, 1-6, 7-6(4), 6-2, to advance to the second round at the Bank of the West Classic. Lisicki led 6-1, 4-1 before Date-Krumm mounted her comeback. The win was Date-Krumm's second in the last 12 months. She plays Karolina Pliskova on Thursday.

- New SAP tablets for coaches debut in Stanford: If you have an eagle-eye, you may have noticed a few coaches using iPads with their players during on-court coaching timeouts this week in Stanford. The iPads, with software developed by SAP, maintain real-time match data that coaches can track during the match. More on the technology from The Wall Street Journal.

- After a rain-addled day on Tuesday, the Citi Open draw is holding up. The Top 4 seeds - Ekaterina Makarova, Sam Stosur, Belinda Bencic, and Svetlana Kuznetsova - are safely into the second round.

- Serena Williams and Caroline Wozniacki are very good at BFF-ing.
Serena Williams

Caroline Wozniacki

- Attention Seinfeld fans: This is pretty great: