Robin Haase of the Netherlands reached the semi-finals of the Swiss Open in Gstaad on Friday (22nd July) with a straight sets win over Brazil's Thiago Monteiro.

Paul-Henri Mathieu came from a set down against third seed Albert Ramos-Vinolas on Friday (22nd July) to reach the semi-finals of the Gstaad Open in Switzerland.

Quarter-finals day on the clay in Gstaad, Switzerland on Friday.

And a first meeting between two unseeded players in the last 8.

Robin Haase of Holland sits just inside the top 100, while Brazilian qualifier Thiado Monteir is 110th in the rankings.

Here into the first set tiebreak at the Swiss Open Haase held a mini break and would move Monteiro around the court taking it 7-2.

Haase has won two ATP titles - both of those coming on clay.

The second set was equally as competitive as the first, yet at 5-6 on the Brazilian's serve, the Dutchman forced an error.

Haase would meet the winner of the later game between eighth seed Paul-Henri Mathieu or third seed Albert Ramos-Vinolas for a place in the final.

Ramos the higher ranked player at 31 in the world, took an immediate break and won the opening set 6-4.

Yet Mathieu has a 2 and 0 record against the Spaniard and he made light work of the second winning it 6-3.

The decider went into the tenth game, with the Frenchman Mathieu serving for the match.

A terrific rally ensued, yet an unforced error from Ramos gave Mathieu the win.

Top seed Feliciano Lopez or Dustin Brown lie in wait in the Swiss Open final.