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