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 Kb5 draw
3 Kb6 draw
4 Kb7 draw
5 Kc5 draw
6 Kc7 draw
7 Kd5 draw
8 Kd6 draw
9 Kd7 draw
10 Kg5 draw
11 Kh6 draw
12 Ra3 draw
13 Rb4 draw
14 Rb5 draw
15 Rb7 draw
16 Rb8 draw
17 Rc3 draw
18 Rd3 draw
19 Re3 draw
20 Rf3 draw
21 Kg4 loss in 2 half-moves
22 Kg6 loss in 2 half-moves
23 Kh4 loss in 2 half-moves
24 Rb1 loss in 2 half-moves
25 Rb2 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rh3 loss in 2 half-moves