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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Kaa6 draw
3 Kaa8 draw
4 Kab6 draw
5 Kab8 draw
6 Kba8 draw
7 Kbb6 draw
8 Kbb8 draw
9 Kc8 draw
10 Ra3 draw
11 Rb3 draw
12 Rc1 draw
13 Rc2 draw
14 Rc4 draw
15 Rc5 draw
16 Rd3 draw
17 Rh3 draw
18 Kba6 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Rc6 loss in 1 half-moves
21 Rc7 loss in 1 half-moves
22 Rc8 loss in 1 half-moves
23 Re3 loss in 1 half-moves
24 Rf3 loss in 1 half-moves
25 Rg3 loss in 1 half-moves