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 Rb7 win in 7 half-moves
3 Rb8 win in 15 half-moves
4 Kc5 draw
5 Kc6 draw
6 Kd6 draw
7 Kd7 draw
8 Kd8 draw
9 Ke5 draw
10 Ke6 draw
11 Ke7 draw
12 Kf7 draw
13 Kf8 draw
14 Ra3 draw
15 Rb4 draw
16 Rb5 draw
17 Rf3 draw
18 Kc4 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rb2 loss in 2 half-moves
23 Rc3 loss in 2 half-moves
24 Rd3 loss in 2 half-moves
25 Re3 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rh3 loss in 2 half-moves