2018 Porsche Tennis Grand Prix – Singles (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "2018 Porsche Tennis Grand Prix – Singles" in English language version.

refsWebsite

Global rank English rank

374^th place

268^th place

wtatennis.com

"Kostyuk's Stuttgart star on the rise with Lottner victory". wtatennis.com. 24 April 2018. Retrieved 25 April 2018.