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 Rd5 win in 7 half-moves
3 d8=K draw
4 Rb6 draw
5 Rd2 draw
6 d8=B loss in 2 half-moves
7 d8=N loss in 2 half-moves
8 d8=Q loss in 2 half-moves
9 d8=R loss in 2 half-moves
10 Rc6 loss in 2 half-moves
11 Rd1 loss in 2 half-moves
12 Rd3 loss in 2 half-moves
13 Rd4 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Rf6 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rh6 loss in 2 half-moves