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

EGTB: win in 4 half-moves

# move score
1 Ra6 win in 3 half-moves
2 K3a4 draw
3 K3b4 draw
4 K5a4 draw
5 K5b4 draw
6 Ka2 draw
7 Ka6 draw
8 Kb5 draw
9 Kb6 draw
10 Ra7 draw
11 Rb8 draw
12 Rf8 draw
13 Kb2 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Rc8 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves