Indian tennis great Vijay Amritraj today said youngsters Ramanathan Ramkumar and Yuki Bhambri had improved a lot this year and have the potential to be top-100 players. "They (Ram and Yuki) have done well this year. Ram has definitely improved, no question. They have it in them to be in the top 100. The next two years will be crucial for them," he told PTI here. Amritraj said he got to watch Ramkumar play in Kolkata a few days ago. "He has got better and is maturing. There are many areas in which he can improve," he said. A lot of his progress will depend on how committed and determined he is, the former Davis Cupper, who launched the Vijay Amritraj Reserve collection of wine here, said. Indian players tend to mature late and are at their best probably between 27 and 32, he said. "Indian players tend to mature physically in their late 20s. If you have an attacking game by then, like Ram and Yuki do, it makes a difference when you are physically stronger. Their best years will come between 27-32," he added.

Ramkumar Ramanathan Pic/AP/PTI