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

EGTB: win in 2 half-moves

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