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

EGTB: win in 8 half-moves

# move score
1 Rb3 win in 7 half-moves
2 Nb6 draw
3 Nc7 draw
4 Rb4 draw
5 Rc8 draw
6 Re8 draw
7 Rf8 draw
8 Rg8 draw
9 Rb6 loss in 8 half-moves
10 Rb5 loss in 4 half-moves
11 Rb7 loss in 4 half-moves
12 Rb1 loss in 1 half-moves
13 Rb2 loss in 1 half-moves
14 Rd8 loss in 1 half-moves
15 Rh8 loss in 1 half-moves