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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kc5 win in 3 half-moves
4 Kc6 win in 3 half-moves
5 Ra3 win in 3 half-moves
6 Rb3 win in 3 half-moves
7 Rd3 win in 3 half-moves
8 Re3 win in 3 half-moves
9 Ka6 draw
10 Kaa7 draw
11 Kab7 draw
12 Kb8 draw
13 Kba7 draw
14 Kbb7 draw
15 Kc7 draw
16 Rc1 draw
17 Rc2 draw
18 Rc7 draw
19 Rf3 draw
20 Rc4 loss in 2 half-moves
21 Rc5 loss in 2 half-moves
22 Rc6 loss in 2 half-moves
23 Rc8 loss in 2 half-moves
24 Rg3 loss in 2 half-moves
25 Rh3 loss in 2 half-moves