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 Rc7 win in 3 half-moves
3 Rc8 win in 3 half-moves
4 Kd7 draw
5 Kd8 draw
6 Ke7 draw
7 Kf7 draw
8 Kf8 draw
9 Kg5 draw
10 Kg6 draw
11 Kg7 draw
12 Kh5 draw
13 Kh7 draw
14 Ra3 draw
15 Rb3 draw
16 Rc4 draw
17 Rc5 draw
18 Rg3 draw
19 Rh3 draw
20 Rc1 loss in 2 half-moves
21 Rc2 loss in 2 half-moves
22 Rd3 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Rf3 loss in 2 half-moves