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 Kc4 draw
3 Kc5 draw
4 Kc6 draw
5 Kd4 draw
6 Kd6 draw
7 Ke5 draw
8 Ke6 draw
9 Ra7 draw
10 Rc7 draw
11 Rd7 draw
12 Re7 draw
13 Rf3 draw
14 Rf4 draw
15 Rf5 draw
16 Rf6 draw
17 Ke4 loss in 2 half-moves
18 Rf1 loss in 2 half-moves
19 Rf2 loss in 2 half-moves
20 Rf8 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves