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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Rb6 win in 3 half-moves
3 Ka5 win in 7 half-moves
4 Ka7 win in 7 half-moves
5 Kc4 win in 7 half-moves
6 Kc5 win in 7 half-moves
7 Kd6 win in 7 half-moves
8 Ke5 win in 7 half-moves
9 Ke6 win in 7 half-moves
10 Rb5 win in 7 half-moves
11 Rb7 win in 7 half-moves
12 Rc8 win in 9 half-moves
13 Kb5 draw
14 Kb6 draw
15 Kc6 draw
16 Kd4 draw
17 Ke4 draw
18 Ra8 draw
19 Rb3 draw
20 Rb4 draw
21 Rd8 draw
22 Rg8 draw
23 Rb1 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Re8 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves