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 Kd7 win in 5 half-moves
3 Rf7 win in 5 half-moves
4 Kc7 win in 7 half-moves
5 Rf6 win in 9 half-moves
6 Kb5 draw
7 Kb6 draw
8 Kb7 draw
9 Kc3 draw
10 Kc4 draw
11 Kcc5 draw
12 Kcd5 draw
13 Kd3 draw
14 Kd6 draw
15 Kdc5 draw
16 Kdd5 draw
17 Ke3 draw
18 Ra8 draw
19 Rc8 draw
20 Rd8 draw
21 Re8 draw
22 Rf1 draw
23 Rf2 draw
24 Ke4 loss in 2 half-moves
25 Ke5 loss in 2 half-moves
26 Rf3 loss in 2 half-moves
27 Rf4 loss in 2 half-moves
28 Rf5 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves