Norway's Casper Ruud (L) and Argentina's Juan Manuel Cerundolo (R) shake hands at the end of their men's singles match on day one of the Paris ATP Masters 1000 tennis tournament at the Plenitude Arena in Nanterre, on the outskirts of Paris, on November 2, 2026. (Photo by Dimitar DILKOFF / AFP via Getty Images)

Norway's Casper Ruud (L) and Argentina's Juan Manuel Cerundolo (R) shake hands at the end of their men's singles match on day one of the Paris ATP Masters 1000 tennis tournament at the Plenitude Arena in Nanterre, on the outskirts of Paris, on November 2, 2026. (Photo by Dimitar DILKOFF / AFP via Getty Images)

Norway's Casper Ruud celebrates winning his men's singles match against Argentina's Juan Manuel Cerundolo on day one of the Paris ATP Masters 1000 tennis tournament at the Plenitude Arena in Nanterre, on the outskirts of Paris, on November 2, 2026. (Photo by Dimitar DILKOFF / AFP via Getty Images)

Norway's Casper Ruud reacts after winning his men's singles match against Argentina's Juan Manuel Cerundolo on day one of the Paris ATP Masters 1000 tennis tournament at the Plenitude Arena in Nanterre, on the outskirts of Paris, on November 2, 2026. (Photo by Dimitar DILKOFF / AFP via Getty Images)

Norway's Casper Ruud plays a forehand return to Argentina's Juan Manuel Cerundolo during their men's singles match on day one of the Paris ATP Masters 1000 tennis tournament at the Plenitude Arena in Nanterre, on the outskirts of Paris, on November 2, 2026. (Photo by Dimitar DILKOFF / AFP via Getty Images)

Norway's Casper Ruud serves to Argentina's Juan Manuel Cerundolo during their men's singles match on day one of the Paris ATP Masters 1000 tennis tournament at the Plenitude Arena in Nanterre, on the outskirts of Paris, on November 2, 2026. (Photo by Damien MEYER / AFP via Getty Images)

Norway's Casper Ruud plays a forehand return to Argentina's Juan Manuel Cerundolo during their men's singles match on day one of the Paris ATP Masters 1000 tennis tournament at the Plenitude Arena in Nanterre, on the outskirts of Paris, on November 2, 2026. (Photo by Damien MEYER / AFP via Getty Images)

This photograph shows a Head tennis racket resting against a players bench during the men's singles match between Argentina's Juan Manuel Cerundolo and Norway's Casper Ruud on day one of the Paris ATP Masters 1000 tennis tournament at the Plenitude Arena in Nanterre, on the outskirts of Paris, on November 2, 2026. (Photo by Dimitar DILKOFF / AFP via Getty Images)