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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kc8 draw
3 Kd7 draw
4 Ke7 draw
5 Ke8 draw
6 Ra7 draw
7 Rc7 draw
8 Re7 draw
9 Rf1 draw
10 Rf2 draw
11 Kc7 loss in 2 half-moves
12 Rd7 loss in 2 half-moves
13 Rf3 loss in 2 half-moves
14 Rf4 loss in 2 half-moves
15 Rf5 loss in 2 half-moves
16 Rf6 loss in 2 half-moves
17 Rf8 loss in 2 half-moves
18 Rg7 loss in 2 half-moves
19 Rh7 loss in 2 half-moves