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

EGTB: win in 2 half-moves

# move score
1 Rb6 win in 1 half-moves
2 Rf6 win in 1 half-moves
3 d8=B draw
4 Nb4 draw
5 Nc1 draw
6 Nc3 draw
7 Rd2 draw
8 Rd4 draw
9 Ra6 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 Rd5 loss in 2 half-moves
14 Re6 loss in 2 half-moves
15 Rg6 loss in 2 half-moves
16 Rh6 loss in 2 half-moves
17 d8=K loss in 1 half-moves
18 d8=N loss in 1 half-moves
19 d8=Q loss in 1 half-moves
20 d8=R loss in 1 half-moves