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 Rd8 win in 3 half-moves
3 Rf3 win in 3 half-moves
4 Rf4 win in 3 half-moves
5 Rf5 win in 3 half-moves
6 Rf6 win in 3 half-moves
7 Ra8 win in 5 half-moves
8 Rc8 win in 5 half-moves
9 Kb6 win in 11 half-moves
10 Kc6 win in 11 half-moves
11 Ka2 draw
12 Ka4 draw
13 Kab4 draw
14 Kb2 draw
15 Kb3 draw
16 Kb5 draw
17 Kc4 draw
18 Kcb4 draw
19 Kd4 draw
20 Kd5 draw
21 Re8 draw
22 Rf7 draw
23 Kd6 loss in 2 half-moves
24 Rf1 loss in 2 half-moves
25 Rf2 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves