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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Rb4 draw
3 Rb6 draw
4 Rb7 draw
5 Rb8 draw
6 Nb6 loss in 2 half-moves
7 Nc7 loss in 2 half-moves
8 Ra3 loss in 2 half-moves
9 Rb1 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rc3 loss in 2 half-moves
12 Rd3 loss in 2 half-moves
13 Re3 loss in 1 half-moves
14 Rf3 loss in 1 half-moves
15 Rg3 loss in 1 half-moves
16 Rh3 loss in 1 half-moves