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 Kc7 draw
3 Kc8 draw
4 Kd6 draw
5 Kdd7 draw
6 Kde8 draw
7 Ke6 draw
8 Ked7 draw
9 Kee8 draw
10 Kf6 draw
11 Kf7 draw
12 Kf8 draw
13 Ra3 draw
14 Rb4 draw
15 Rb5 draw
16 Rb7 draw
17 Rb8 draw
18 Rc3 draw
19 Rd3 draw
20 Rh3 draw
21 Rb1 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rg3 loss in 2 half-moves