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

EGTB: win in 2 half-moves

# move score
1 b6 win in 1 half-moves
2 Rc7 win in 1 half-moves
3 Re7 win in 1 half-moves
4 Rf4 win in 1 half-moves
5 Rf6 win in 1 half-moves
6 Rf3 draw
7 Rf8 draw
8 Ra7 loss in 2 half-moves
9 Rb7 loss in 2 half-moves
10 Rd7 loss in 2 half-moves
11 Rf1 loss in 2 half-moves
12 Rf2 loss in 2 half-moves
13 Rf5 loss in 2 half-moves
14 Rg7 loss in 2 half-moves
15 Rh7 loss in 2 half-moves