The main draw at the WTA Korean Open started without any upsets in Seoul on Monday as all of the top seeds in action progressed with little difficulty.
Although a total of eight matches were played at the Seoul Olympic Park Tennis Center, only three lasted longer than two sets.
Anna Karolina Schmiedlova, the second seed, advanced to round two after she fought back from a set down against Kristyna Pliskova
The match last 128 minutes, with Schmiedlova eventually triumphing 3-6, 6-4, 6-3 after defending six break points in the last two sets.
Meanwhile, fifth seed Mona Barthel had a slightly smoother passage to the second round and won in straight sets after 94 minutes.
The German eliminated South Korea’s Jang Su Jeong, racing to a 6-0 win in the first set in 23 minutes before battling it out for 71 minutes to win the second set 7-6(7-2).
Up next for Barthel is unseeded Columbian Mariana Duque-Marino, who progressed at the expense of Kiki Bertens.
Duque-Marino won 6-3, 6-7 (5-7), 6-2 after a 128-minute long back-and-forth battle with the Dutchwoman.
Magdalena Rybarikova also sealed a spot in round two after Klara Koukalova retired from their match with the Rybarikova leading by a set and a game.
Meanwhile, eighth seed Alison van Uytvanck won 3-6, 6-1, 7-6 (7-2) against Andreea Mitu in a 119-minute match, seventh seed Julia Georges beat Spain’s Lara Arruabarrena-Vecino 6-1, 6-4 and Slovenia’s Polona Hercog won 6-1, 6-3 against Lauren Davis.