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 Rb7 win in 3 half-moves
3 Ka5 win in 7 half-moves
4 Ka7 win in 7 half-moves
5 Ke5 win in 7 half-moves
6 Ke6 win in 7 half-moves
7 Ke7 win in 7 half-moves
8 Kf5 win in 7 half-moves
9 Kf7 win in 7 half-moves
10 Rb6 win in 7 half-moves
11 Kb5 win in 15 half-moves
12 Kb6 draw
13 Kb7 draw
14 Kg5 draw
15 Kg6 draw
16 Kg7 draw
17 Ra8 draw
18 Rb3 draw
19 Rb4 draw
20 Rc8 draw
21 Rd8 draw
22 Rf8 draw
23 Rh8 draw
24 Rb1 loss in 2 half-moves
25 Rb2 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rg8 loss in 2 half-moves