Due to player feedback the surfaces for Lake Nona have been changed from my earlier announcement. See below for the ITF announcement today.

http://www.itftennis.com/news/259311.aspx

The surfaces to be used at the 2017 Seniors World Championships, Miami, USA and Super-Seniors World Championships, Lake Nona, USA have been confirmed as the following:ITF Seniors World Team & Individual Championships:

Teams – Sunday 29 October – Friday 3 November

Clay Courts

Maria Esther Bueno (W50), Fred Perry Cup (M50), Alice Marble (W60) Von Cramm Cup (M60)

Hard Courts Maureen Connolly Cup (W55), Austria Cup (M55)

Individual Championships – Saturday 4 November – Saturday 11 November

Clay Courts

(W50), (M50), (W60) and (M60)

Hard Courts

(W55), (M55)

ITF Super-Seniors World Team & Individual Championships:

Teams – Sunday 8 October – Friday 13 October

Individuals – Saturday 14 October – Saturday 21 October

Clay Courts

For all Teams Cups/Individual Championships

Factsheets will be published as soon as possible.
Read more at http://www.itftennis.com/news/259311.aspx#VQZKYBbPpcK1u5d8.99