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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Ka5 draw
3 Ka7 draw
4 Kb5 draw
5 Kb7 draw
6 Ke6 draw
7 Ke7 draw
8 Ke8 draw
9 Kf6 draw
10 Kf8 draw
11 Kg6 draw
12 Kg7 draw
13 Kg8 draw
14 Ra3 draw
15 Rb4 draw
16 Rb5 draw
17 Rb6 draw
18 Rb7 draw
19 Rc3 draw
20 Rg3 draw
21 Rh3 draw
22 Kb6 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Rd3 loss in 2 half-moves
26 Re3 loss in 2 half-moves
27 Rf3 loss in 2 half-moves