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 Kd5 draw
3 Kd7 draw
4 Ke5 draw
5 Ke6 draw
6 Ke7 draw
7 Ra7 draw
8 Rc7 draw
9 Rd7 draw
10 Rf1 draw
11 Rf2 draw
12 Rf3 draw
13 Rf4 draw
14 Rf5 draw
15 Rf6 draw
16 Rf8 draw
17 Rg7 draw
18 Rh7 draw
19 Kc5 loss in 2 half-moves
20 Kc6 loss in 2 half-moves
21 Kc7 loss in 2 half-moves
22 Re7 loss in 2 half-moves