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 Rc6 win in 5 half-moves
3 Rd6 win in 5 half-moves
4 K7b7 draw
5 K7b8 draw
6 K8b7 draw
7 K8b8 draw
8 Ka6 draw
9 Kb6 draw
10 Rb6 draw
11 Re1 draw
12 Re2 draw
13 Re3 draw
14 Re4 draw
15 Re5 draw
16 Re7 loss in 2 half-moves
17 Re8 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