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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Ka4 win in 5 half-moves
3 Ka5 win in 5 half-moves
4 Ka7 win in 5 half-moves
5 Ka8 win in 5 half-moves
6 Kb4 win in 5 half-moves
7 Kb8 win in 5 half-moves
8 Kc4 win in 5 half-moves
9 Kc8 win in 5 half-moves
10 K5a6 draw
11 K5b6 draw
12 K5c6 draw
13 K7a6 draw
14 K7b6 draw
15 K7c6 draw
16 Ra2 draw
17 Rb1 draw
18 Rb3 draw
19 Rc2 draw
20 Rd2 draw
21 Rh2 draw
22 Kc5 loss in 2 half-moves
23 Kc7 loss in 2 half-moves
24 Re2 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rg2 loss in 2 half-moves