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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Ke2 draw
3 Ke3 draw
4 Kf2 draw
5 Kfg3 draw
6 Kg2 draw
7 Kh3 draw
8 Kh5 draw
9 Khg3 draw
10 Ra8 draw
11 Rb1 draw
12 Rb2 draw
13 Rb4 draw
14 Rc8 draw
15 Rg8 draw
16 Rh8 draw
17 Ke4 loss in 2 half-moves
18 Kf4 loss in 2 half-moves
19 Kfg4 loss in 2 half-moves
20 Kg5 loss in 2 half-moves
21 Khg4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rb6 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rd8 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves