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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 K2a3 draw
3 K2b3 draw
4 K4a3 draw
5 K4b3 draw
6 Ka1 draw
7 Ra7 draw
8 Ra8 draw
9 Rb6 draw
10 Rc6 draw
11 Kb1 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Ra5 loss in 2 half-moves
16 Rd6 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rh6 loss in 2 half-moves