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 Rd2 win in 1 half-moves
3 Rd3 win in 1 half-moves
4 Rd5 win in 1 half-moves
5 Rd6 win in 1 half-moves
6 Ra1 loss in 2 half-moves
7 Rb1 loss in 2 half-moves
8 Rc1 loss in 2 half-moves
9 Rd4 loss in 2 half-moves
10 Rd7 loss in 2 half-moves
11 Rd8 loss in 2 half-moves
12 Re1 loss in 2 half-moves
13 Rf1 loss in 2 half-moves
14 Rg1 loss in 2 half-moves
15 Rh1 loss in 2 half-moves