and Alexander Levy were in a three-way tie for the lead when play at the Shenzhen International was suspended for the day due to bad weather on Sunday.
More than six and a half hours had already been lost to bad weather over the first two days at the Genzon Golf Club when an afternoon thunderstorm ensured that 23 players would have to return early on Monday to complete their rounds.
The leading trio were on the back nine when play was suspended with South Korean Lee, seeking his first European Tour win, and Englishman Slattery having completed 13 holes.