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

EGTB: win in 8 half-moves

# move score
1 Rb8 win in 7 half-moves
2 K1b2 draw
3 K1c2 draw
4 K1d2 draw
5 K3b2 draw
6 K3c2 draw
7 K3d2 draw
8 Kb4 draw
9 Kc4 draw
10 Kd1 draw
11 Kd3 draw
12 Kd4 draw
13 Ra8 draw
14 Rc8 draw
15 Rd8 draw
16 Re8 draw
17 Rf1 draw
18 Rf2 draw
19 Rf3 draw
20 Rf7 draw
21 Kb1 loss in 2 half-moves
22 Kb3 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rf5 loss in 2 half-moves
25 Rf6 loss in 2 half-moves
26 Rg8 loss in 2 half-moves
27 Rh8 loss in 2 half-moves