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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Ke5 win in 5 half-moves
3 Rb4 win in 5 half-moves
4 Kcc4 win in 7 half-moves
5 Kdc4 win in 7 half-moves
6 Kdd5 win in 7 half-moves
7 Rb5 win in 7 half-moves
8 Rb7 win in 7 half-moves
9 Kc6 win in 9 half-moves
10 Ke4 win in 9 half-moves
11 Kb4 draw
12 Kb5 draw
13 Kb6 draw
14 Kcd5 draw
15 Kd6 draw
16 Ra8 draw
17 Rc8 draw
18 Rd8 draw
19 Rh8 draw
20 Kc3 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Ke3 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Rb3 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves
28 Rg8 loss in 2 half-moves