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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Kg8 draw
3 Kh8 draw
4 Ra2 draw
5 Rb3 draw
6 Rb4 draw
7 Rb5 draw
8 Rb6 draw
9 Rb8 draw
10 Rc2 draw
11 Rd2 draw
12 Re2 draw
13 Kc5 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kc7 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd7 loss in 2 half-moves
18 Ke5 loss in 2 half-moves
19 Ke6 loss in 2 half-moves
20 Ke7 loss in 2 half-moves
21 Kg6 loss in 2 half-moves
22 Kg7 loss in 2 half-moves
23 Kh6 loss in 2 half-moves
24 Rb1 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves