Casey Jarvis leads Genesis Championship in South Korea

• Casey Jarvis shot 6-under 65 to lead the Genesis Championship in South Korea after the first round.
• Jarvis, a two-time winner this season, is in contention for the Race to Dubai title.
• Sanghun Shin, one of four South Koreans in the top 19, is in second place.
• Jarvis' performance puts pressure on other golfers in the Race to Dubai standings.
• The Genesis Championship is taking place in Cheonan, South Korea.