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

EGTB: win in 4 half-moves

# move score
1 Rb8 win in 3 half-moves
2 Re8 win in 3 half-moves
3 Rf2 win in 3 half-moves
4 Rf3 win in 7 half-moves
5 Kb3 draw
6 Kb4 draw
7 Kc2 draw
8 Kc5 draw
9 Kc6 draw
10 Kcc4 draw
11 Kcd4 draw
12 Kd2 draw
13 Kd3 draw
14 Kd6 draw
15 Kdc4 draw
16 Kdd4 draw
17 Ra8 draw
18 Rc8 draw
19 Rd8 draw
20 Rf1 draw
21 Rf7 draw
22 Kb2 loss in 2 half-moves
23 Ke4 loss in 2 half-moves
24 Ke5 loss in 2 half-moves
25 Ke6 loss in 2 half-moves
26 Rf4 loss in 2 half-moves
27 Rf5 loss in 2 half-moves
28 Rf6 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves