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 K5a4 draw
3 Rc7 draw
4 Rg7 draw
5 Rh7 draw
6 Ka2 loss in 2 half-moves
7 Ka6 loss in 2 half-moves
8 Kb2 loss in 2 half-moves
9 Kb3 loss in 2 half-moves
10 Kb5 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rb7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves
16 Rf7 loss in 2 half-moves
17 K3a4 loss in 1 half-moves
18 K3b4 loss in 1 half-moves
19 K5b4 loss in 1 half-moves