Feliciano Lopez battled past Mischa Zverev to reach the final of the Mercedes Cup in Stuttgart.
Spaniard Lopez hit back after losing the opening set in a tiebreak to edge out fellow left-hander Zverev 6-7 (2-7) 7-6 (7-4) 7-5 in two hours and four minutes and reach his first ATP Tour final of the season.
"The match was so close from the beginning to the end," Lopez said
"I was able to connect on great returns in the last game."
Lopez has not featured in a final since losing to Ivo Karlovic in the Los Cabos Open in Mexico in August 2016, and won his last tournament at the Swiss Open the previous month.
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The 35-year-old will play France's Lucas Pouille in Sunday's final after he beat countryman Benoit Paire 7-6 (7-5) 7-5 in his last-four clash.
Fourth seed Pouille, 23, who struck 13 aces, said: "I played great. I think it was a very tough match. In the important points, I was very solid."
