Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Kb5 draw
3 Kb6 draw
4 Kc5 draw
5 Kd5 draw
6 Kd6 draw
7 Rb7 draw
8 Rc7 draw
9 Re7 draw
10 Rf1 draw
11 Rf3 draw
12 Rf8 draw
13 Kb7 loss in 10 half-moves
14 Kc7 loss in 4 half-moves
15 Kd7 loss in 4 half-moves
16 Rd7 loss in 2 half-moves
17 Rf2 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rf5 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves