Both tennis players, who have had grueling matches against top opponents on the hard court this season, are currently in good form. Although they are not at the peak of their careers, it can be assumed that their meeting will be long and interesting. Both are capable of winning a set, and their chances of winning are approximately equal - 50/50. The main advantage of this match is its unpredictability. Both tennis players are accustomed to tough and lengthy competitions, and have proven their skills in battles against strong opponents. Their previous games show that they are capable of fighting until the end and not giving up even in the toughest situations. When players are in good form, it is important to consider their physical endurance. In this case, both players have demonstrated strong nerves and high physical fitness. This means that the match will likely be long and intense. Based on these factors, it can be inferred that the match will be closely contested and last a long time. This makes predicting the outcome a difficult task. However, considering all the aforementioned factors, our prediction is "Total over 20".