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

EGTB: win in 4 half-moves

# move score
1 Rc8 win in 3 half-moves
2 Ra8 loss in 10 half-moves
3 Rb8 loss in 10 half-moves
4 Nd6 loss in 2 half-moves
5 Nd8 loss in 2 half-moves
6 Ne5 loss in 2 half-moves
7 Ng5 loss in 2 half-moves
8 Nh6 loss in 2 half-moves
9 Nh8 loss in 2 half-moves
10 Rd8 loss in 2 half-moves
11 Re8 loss in 2 half-moves
12 Rg8 loss in 2 half-moves
13 Rh8 loss in 2 half-moves