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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Ra1 draw
3 Ra2 draw
4 Ra3 draw
5 Ra5 draw
6 Rb4 draw
7 Rc4 draw
8 Rd4 draw
9 Rh4 draw
10 Ra6 loss in 2 half-moves
11 Ra8 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Rf4 loss in 2 half-moves
14 Rg4 loss in 2 half-moves