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 Kc6 draw
3 Kc7 draw
4 Kc8 draw
5 Kd6 draw
6 Kdd8 draw
7 Kde7 draw
8 Ke6 draw
9 Ked8 draw
10 Kee7 draw
11 Kf7 draw
12 Kf8 draw
13 Ra3 draw
14 Rb4 draw
15 Rb5 draw
16 Rb7 draw
17 Rb8 draw
18 Rh3 draw
19 Rb1 loss in 2 half-moves
20 Rb2 loss in 2 half-moves
21 Rc3 loss in 2 half-moves
22 Rd3 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