Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rc1 win in 1 half-moves
2 Kc3 draw
3 Kc5 draw
4 Kd3 draw
5 Kd5 draw
6 Ke3 draw
7 Ke5 draw
8 Rc2 draw
9 Rc3 draw
10 Rc5 draw
11 Ke4 loss in 4 half-moves
12 Ra4 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rc6 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rc8 loss in 2 half-moves