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

EGTB: win in 2 half-moves

# move score
1 f7 win in 1 half-moves
2 Rb7 win in 1 half-moves
3 Ra6 draw
4 Rb4 draw
5 Rb5 draw
6 Rb8 draw
7 Rc6 draw
8 Rd6 draw
9 Rb1 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rb3 loss in 2 half-moves
12 Re6 loss in 2 half-moves