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

EGTB: win in 10 half-moves

# move score
1 Rb4 win in 9 half-moves
2 Rb2 loss in 6 half-moves
3 Rb5 loss in 6 half-moves
4 Rb1 loss in 4 half-moves
5 Rb3 loss in 4 half-moves
6 Nb3 loss in 2 half-moves
7 Nc2 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Rb6 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Re8 loss in 1 half-moves
14 Rf8 loss in 1 half-moves
15 Rg8 loss in 1 half-moves
16 Rh8 loss in 1 half-moves