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

EGTB: win in 2 half-moves

# move score
1 Rc4 win in 1 half-moves
2 Kc5 draw
3 Kc7 draw
4 Kd5 draw
5 Kd7 draw
6 Ke6 draw
7 Ke7 draw
8 Rb6 draw
9 Rc7 draw
10 Rc8 draw
11 Ra6 loss in 4 half-moves
12 Ke5 loss in 2 half-moves
13 Rc1 loss in 2 half-moves
14 Rc2 loss in 2 half-moves
15 Rc3 loss in 2 half-moves
16 Rc5 loss in 2 half-moves