Daniil Medvedev saw his woe on clay continue as he was beaten by fellow Russian Aslan Karatsev, but Rafael Nadal is safely through.
Top seed Rafael Nadal is through to the Madrid Open quarter-finals for a 15th time, where Alexander Zverev awaits.
Rafael Nadal memenangi gelaran Terbuka Barcelona buat kali ke-12 selepas menyelamatkan mata kejuaraan bagi mengakhiri rekod bersih Stefanos Tsitsipas di gelanggang tanah liat tahun ini dalam aksi final.
Rafael Nadal fended off Monte Carlo champion Stefanos Tsitsipas in Barcelona to show he clearly remains the man to beat on clay this season.
Rafael Nadal dan Stefanos Tsitsipas bakal berentap merebut gelaran Terbuka Barcelona malam ini selepas mereka layak ke final.
In-form second seed Stefanos Tsitsipas stands in the way of Rafael Nadal and a 12th Barcelona Open title
Normal service was resumed for Rafael Nadal after Kei Nishikori took the second set off the top seed in Barcelona.
Stefanos Tsitsipas called it the best week of his tennis life after he capped his Monte Carlo Masters run with victory in Sunday's final.
An extraordinary week and a fine season continued for Andrey Rublev as he reached his first Masters 1000 final.
Andrey Rublev stunned Rafael Nadal in Monte Carlo, defeating the 11-time champion to reach the last four.