Great Britain are well poised for a memorable win over Mexico in the Billie Jean Cup after team stalwarts Heather Watson and Katie Boulter got past their nerves to win the opening two rubbers at the National Tennis Centre on Friday.

Top seed Ons Jabeur dropped just one game to reach the semi-final at the MUSC Health Women’s Open in Charleston on Friday, but there was disappointment for the No 3 seed, Shelby Rogers, who battled an abdominal strain and Clara Tauson, forced to retire injured.

Great Britain’s Billie Jean King Cup team take on Mexico at the National Tennis Centre in Roehampton today, Friday, with Katie Boulter and Heather Watson in action.

The quarter-final line-up was completed at the MUSC Health Women’s Open in Charleston on Thursday with some surprise appearances.

Novak Djokovic, the world number one, was bundled out of the Rolex Monte Carlo Masters – an event he has won on two previous occasions and was expected to make the final again this year for a fifth time.

Charleston’s Shelby Rogers has made it into quarter-finals of MUSC Health Open with a straight sets win over fellow American Claire Liu, while Clara Tauson upset Ajla Tomljanovic to also advance.

The big guns finally emerged on the courts at the Rolex Monte-Carlo Masters to successfully open their clay court campaigns which they hope will lead to French Open success in June on day Dan Evans followed up his early success with another great win.

Top seed Ons Jabeur opened her account with a straight sets win over Stefanie Vogele, but 2nd-seeded Magda Linette fell victim to in-form Colombian Maria Camila Osorio Serrano after a 3 set battle at the MUSC Health Women’s Open in Charleston on Tuesday.

Monte Carlo, the first of the clay court Masters 100os which lead up to the French Open, got underway at the weekend with a field which includes some of the best clay courters in the game.

What was the Fed Cup is coming to these shores in the new form of the Billie Jean King Cup by BNP Paribas from 16-17 April, but Britain’s Johanna Konta will not be leading the Team GB against Mexico in the Play-Off tie to be held at the National Tennis Centre in...