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 Kb2 win in 9 half-moves
3 Ka6 win in 11 half-moves
4 Kb6 win in 11 half-moves
5 K3a4 draw
6 K3b4 draw
7 K5a4 draw
8 K5b4 draw
9 Ka2 draw
10 Ra7 draw
11 Rb8 draw
12 Rh8 draw
13 Kb3 loss in 2 half-moves
14 Kb5 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 Rf8 loss in 2 half-moves
19 Rg8 loss in 2 half-moves