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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Nc5 draw
3 Ra8 draw
4 Rb7 draw
5 Rc8 draw
6 Rd8 draw
7 Re8 draw
8 Rf8 draw
9 Nb6 loss in 8 half-moves
10 Ne5 loss in 2 half-moves
11 Nf6 loss in 2 half-moves
12 Nf8 loss in 2 half-moves
13 Rb1 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rg8 loss in 2 half-moves
19 Rh8 loss in 2 half-moves