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 K5a6 draw
3 K5b6 draw
4 K5c6 draw
5 K7a6 draw
6 K7b6 draw
7 K7c6 draw
8 Ka4 draw
9 Ka5 draw
10 Ka7 draw
11 Ka8 draw
12 Kb4 draw
13 Kb8 draw
14 Kc4 draw
15 Kc5 draw
16 Kc7 draw
17 Kc8 draw
18 Ra3 draw
19 Rc3 draw
20 Rd3 draw
21 Re3 draw
22 Rf3 draw
23 Rb1 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Rg3 loss in 2 half-moves
26 Rh3 loss in 2 half-moves