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 Rb6 win in 3 half-moves
3 Ka3 draw
4 Kb1 draw
5 Kb2 draw
6 Kb3 draw
7 Rd6 draw
8 Re5 draw
9 Re7 draw
10 Re8 draw
11 Rh6 draw
12 Ka1 loss in 4 half-moves
13 Rc6 loss in 4 half-moves
14 Re1 loss in 2 half-moves
15 Re2 loss in 2 half-moves
16 Re3 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rg6 loss in 2 half-moves