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

EGTB: win in 4 half-moves

# move score
1 Rc6 win in 3 half-moves
2 Kc5 draw
3 Kc6 draw
4 Kc7 draw
5 Kd5 draw
6 Kd7 draw
7 Ke5 draw
8 Ra1 draw
9 Ra2 draw
10 Ra3 draw
11 Ra4 draw
12 Ra5 draw
13 Ke6 loss in 2 half-moves
14 Ke7 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Ra8 loss in 2 half-moves
17 Rb6 loss in 2 half-moves