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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Rg4 win in 3 half-moves
3 Rg5 win in 3 half-moves
4 Rg6 win in 3 half-moves
5 Ka4 win in 7 half-moves
6 Kab4 win in 7 half-moves
7 Kc4 win in 7 half-moves
8 Kcb4 win in 7 half-moves
9 Ra8 win in 7 half-moves
10 Rc8 win in 7 half-moves
11 Ka6 win in 9 half-moves
12 Kab5 win in 9 half-moves
13 Kab6 win in 9 half-moves
14 Kc6 win in 9 half-moves
15 Kcb6 win in 9 half-moves
16 Kd5 win in 9 half-moves
17 Kd6 win in 9 half-moves
18 Re8 win in 9 half-moves
19 Kcb5 win in 11 half-moves
20 Rh8 win in 11 half-moves
21 Kd4 draw
22 Rf8 draw
23 Rg3 draw
24 Rg7 draw
25 Rb8 loss in 2 half-moves
26 Rg1 loss in 2 half-moves
27 Rg2 loss in 2 half-moves