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

EGTB: win in 4 half-moves

# move score
1 Rg8 win in 3 half-moves
2 Rh8 win in 3 half-moves
3 Rb6 loss in 4 half-moves
4 Rb7 loss in 4 half-moves
5 Na3 loss in 2 half-moves
6 Na7 loss in 2 half-moves
7 Nc3 loss in 2 half-moves
8 Nc7 loss in 2 half-moves
9 Nd4 loss in 2 half-moves
10 Nd6 loss in 2 half-moves
11 Nf3 loss in 2 half-moves
12 Nf5 loss in 2 half-moves
13 Ng2 loss in 2 half-moves
14 Ng6 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rc8 loss in 2 half-moves
17 Rd8 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf8 loss in 2 half-moves