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

EGTB: win in 2 half-moves

# move score
1 Ra3 win in 1 half-moves
2 K7b7 draw
3 Ka8 draw
4 Kb8 draw
5 Ra1 draw
6 Ra2 draw
7 Ra5 draw
8 Re4 draw
9 Rf4 draw
10 Rg4 draw
11 K6b7 loss in 2 half-moves
12 Ka5 loss in 2 half-moves
13 Kb5 loss in 2 half-moves
14 K6b6 loss in 1 half-moves
15 K7b6 loss in 1 half-moves
16 Rb4 loss in 1 half-moves
17 Rc4 loss in 1 half-moves
18 Rd4 loss in 1 half-moves
19 Rh4 loss in 1 half-moves