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

EGTB: draw

# move score
1 Kb6 draw
2 Kb7 draw
3 Kb8 draw
4 Kc6 draw
5 Kd6 draw
6 Kd7 draw
7 Ra1 draw
8 Ra3 draw
9 Ra5 draw
10 Ra6 draw
11 Ra7 draw
12 Re8 draw
13 Kc8 loss in 4 half-moves
14 Kd8 loss in 4 half-moves
15 Rc8 loss in 4 half-moves
16 Ra2 loss in 2 half-moves
17 Ra4 loss in 2 half-moves
18 Rb8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh8 loss in 2 half-moves