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

EGTB: win in 4 half-moves

# move score
1 Rd1 win in 3 half-moves
2 Rd5 draw
3 Rd6 draw
4 Rd7 draw
5 Re8 draw
6 Rf8 draw
7 Rg8 draw
8 Rh8 draw
9 Ra8 loss in 2 half-moves
10 Rb8 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Rd2 loss in 2 half-moves
13 Rd3 loss in 2 half-moves
14 Rd4 loss in 2 half-moves