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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb6 win in 3 half-moves
3 Re8 win in 3 half-moves
4 Rb5 win in 5 half-moves
5 Rf8 win in 5 half-moves
6 Ke2 win in 7 half-moves
7 Ke4 win in 7 half-moves
8 Kf4 win in 7 half-moves
9 Rd8 win in 7 half-moves
10 Rc8 win in 9 half-moves
11 Kd2 win in 11 half-moves
12 Ke5 win in 11 half-moves
13 Kd1 draw
14 Ke6 draw
15 Kf6 draw
16 Kg4 draw
17 Kg5 draw
18 Kg6 draw
19 Ra8 draw
20 Rb1 draw
21 Rb3 draw
22 Rb7 draw
23 Kf1 loss in 2 half-moves
24 Kf2 loss in 2 half-moves
25 Rb2 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves