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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Ka6 draw
3 Ka7 draw
4 Ka8 draw
5 Kb6 draw
6 Kb8 draw
7 Kc6 draw
8 Kc7 draw
9 Kc8 draw
10 Kd6 draw
11 Kd7 draw
12 Kd8 draw
13 Ke6 draw
14 Ke8 draw
15 Kf6 draw
16 Kf7 draw
17 Kf8 draw
18 Ra3 draw
19 Rb4 draw
20 Rb5 draw
21 Rc3 draw
22 Rd3 draw
23 Rh3 draw
24 Rb1 loss in 2 half-moves
25 Rb2 loss in 2 half-moves
26 Re3 loss in 2 half-moves
27 Rf3 loss in 2 half-moves
28 Rg3 loss in 2 half-moves