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 Re7 draw
10 Rf1 draw
11 Rf3 draw
12 Rf4 draw
13 Rf8 draw
14 Rg7 draw
15 Rh7 draw
16 Rf5 loss in 6 half-moves
17 Rd7 loss in 2 half-moves
18 Rf2 loss in 2 half-moves
19 Rf6 loss in 2 half-moves