Bal, who is one of the few Level 3 ITF-Certified coaches in India, spoke while conducting a Coaches Workshop, organised by Maharashtra State Lawn Tennis Association (MSLTA).
Close to 150 coaches from across Maharashtra are participating in the three-day workshop, which will conclude on Sunday.
Bal said the coaches must concentrate on how their player and his opponent prepares for the stroke, what is the point of contact and how the follow through is. He also said that the understanding of the pattern of play of the rival player was imperative for a coach.
"You should also see how a player is planning a point when he is under pressure."
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MSLTA also honoured 85-year-old Anant Rao Jog, who was first Indian to officiate at the Wimbledon in 1972. Jog was handed a plaque by MSLTA President Bharat Oza.
MSLTA secretary Sunder Iyer announced that all the participating coaches will be given coaches card, through which the benefits of insurance and medical test at discounted rates can be availed.