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

EGTB: win in 4 half-moves

# move score
1 Kc4 win in 3 half-moves
2 Kc2 draw
3 Kd2 draw
4 Kd4 draw
5 Ke2 draw
6 Ke3 draw
7 Ke4 draw
8 Rc1 draw
9 Rc2 draw
10 Ra3 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Rc4 loss in 2 half-moves
13 Rc5 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