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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Kc7 draw
3 Kd7 draw
4 Ke7 draw
5 Ra2 draw
6 Rb3 draw
7 Rb4 draw
8 Rb6 draw
9 Rb7 draw
10 Rb8 draw
11 Rc2 draw
12 Rd2 draw
13 Re2 draw
14 Kc5 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Ke5 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Kg3 loss in 2 half-moves
20 Kg4 loss in 2 half-moves
21 Kg5 loss in 2 half-moves
22 Kh3 loss in 2 half-moves
23 Kh5 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