He had more success on the doubles circuit, making the quarter-finals of the 1982 French Open, with Brad Guan.
12.
On the doubles circuit, Eriksson reached the quarter-finals at the Toulouse in 1985, making the semi-finals, with Peter Lundgren.
13.
Mattek-Sands started to play on the doubles circuit with Sania Mirza, with whom she had had success in the past.
14.
His city of Babylon covered more than three square miles, surrounded by moats and ringed by a double circuit of walls.
15.
Power from the outdoor yard is evacuated through a 220 kV double circuit transmission line connected to the state grid at Talaguppa
16.
The Lucerne born player was most successful on the Challenger doubles circuit, reaching five finals and winning two of them, at Thessaloniki and Nairobi.
17.
Navratilova, who won a record 167 singles and 165 doubles in her career, returned to the doubles circuit last year after a five-year absence.
18.
Iliopoulos has competed in the ITF singles and doubles circuit and has a career high ITF singles ranking of 270, achieved on 4 January 2016.
19.
He was more successful on the doubles circuit, with the highlight of his career being his win in the 1990 Geneva Open, with Pablo Albano.
20.
The race consists of a double circuit of the town centre, starting in Henry Street and ending in Oxford Street, by the commemorative statue of Guto.
