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 Rb6 win in 3 half-moves
3 Kf6 win in 5 half-moves
4 Kg6 win in 5 half-moves
5 Rg7 win in 5 half-moves
6 Rf7 win in 7 half-moves
7 Rh7 win in 7 half-moves
8 Ke5 draw
9 Ke6 draw
10 Kfg4 draw
11 Kg2 draw
12 Kg3 draw
13 Kg5 draw
14 Kh2 draw
15 Kh4 draw
16 Khg4 draw
17 Ra7 draw
18 Rb4 draw
19 Rb8 draw
20 Ke4 loss in 2 half-moves
21 Kf4 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rc7 loss in 2 half-moves
26 Rd7 loss in 2 half-moves
27 Re7 loss in 2 half-moves