Ovtcharov threw away two match points at 10 - 8 and could n't put Samsonov away as the pair traded body blows all the way to 17 - all .
Ovtcharov had already played a 28 - minute game Monday night .
Ovtcharov , who had already played a 28 - minute game Monday night , threw away two match points at 10 - 8 and could n't put Samsonov away as the pair traded body blows all the way to 17 - all .