The meeting lasted 1 hour 5 minutes and ended with a score of 4:6, 1:6 in favor of the Dutchman.
Medvedev made three double faults and converted one break point out of two.
Reithoven landed five aces, converted four out of ten break points and made one double fault.
Earlier, Russian tennis player Ekaterina Aleksandrova defeated Belarusian Arina Sobolenko in the final of the Women's Tennis Association (WTA) tournament in 's-Hertogenbosch (Netherlands).