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