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

EGTB: win in 4 half-moves

# move score
1 K4b4 win in 3 half-moves
2 K4b5 win in 3 half-moves
3 K5b4 win in 3 half-moves
4 K5b5 win in 3 half-moves
5 Kb6 win in 3 half-moves
6 Rb8 win in 3 half-moves
7 Ra4 win in 7 half-moves
8 Ra5 win in 9 half-moves
9 Kb3 draw
10 Kc3 draw
11 Kc6 draw
12 Kd3 draw
13 Ra2 draw
14 Rc8 draw
15 Rh8 draw
16 K4d4 loss in 2 half-moves
17 K4d5 loss in 2 half-moves
18 K5d4 loss in 2 half-moves
19 K5d5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Ra1 loss in 2 half-moves
22 Ra3 loss in 2 half-moves
23 Ra6 loss in 2 half-moves
24 Ra7 loss in 2 half-moves
25 Rd8 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves
28 Rg8 loss in 2 half-moves