San Luis Potosi, Mexico, 25 September 2013 | tennis.com.au

Australia’s Junior Davis Cup and Junior Fed Cup teams have both won their opening round robin matches at the World Finals in Mexico on Monday.

While the boys were in scintillating form in winning 3-0, the girls were forced to battle harder, with Naiktha Bains and Priscilla Hon combining to romp to victory in the decisive doubles rubber.

> view the draw schedule and results

Next up for the Aussie boys in the round-robin stage is the Netherlands, while the girls will do battle against Namibia.

See the full Aussie results from the first day of matches below.

Junior Davis Cup Group C

Australia [6] defeated Bolivia 3-0

Akira Santillan (AUS) d Stephan Koenigsfest (BOL) 6-0 6-3

Marc Polmans (AUS) d Rodrigo Banzer (BOL) 2-6 6-4 6-4

Oliver Anderson/Marc Polmans (AUS) d Daniel Arrien/Stephan Koenigsfest (BOL) 6-1 7-6(2)

Junior Fed Cup Group D

Australia [2] defeated Slovak Republic 2-1

Tereza Mihalikova (SVK) d Naiktha Bains (AUS) 6-2 4-6 6-2

Sara Tomic (AUS) d Katarina Stresnakova (SVK) 6-1 4-6 6-4

Naiktha Bains/Priscilla Hon (AUS) d Tereza Mihalikova/Katarina Stresnakova (SVK) 6-1 6-1