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