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

EGTB: win in 4 half-moves

# move score
1 K3b3 win in 3 half-moves
2 K3b4 win in 3 half-moves
3 K4b3 win in 3 half-moves
4 K4b4 win in 3 half-moves
5 Kb2 win in 3 half-moves
6 Kb5 win in 3 half-moves
7 Rb8 win in 3 half-moves
8 Rd8 win in 3 half-moves
9 Kc2 win in 5 half-moves
10 Ra5 win in 5 half-moves
11 Ra4 win in 7 half-moves
12 Kc5 draw
13 Ra1 draw
14 Ra3 draw
15 Ra6 draw
16 Ra7 draw
17 Rc8 draw
18 Re8 draw
19 K3d3 loss in 2 half-moves
20 K3d4 loss in 2 half-moves
21 K4d3 loss in 2 half-moves
22 K4d4 loss in 2 half-moves
23 Kd2 loss in 2 half-moves
24 Kd5 loss in 2 half-moves
25 Ra2 loss in 2 half-moves
26 Rf8 loss in 2 half-moves
27 Rg8 loss in 2 half-moves
28 Rh8 loss in 2 half-moves