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 Kb8 draw
3 Kc7 draw
4 Kd7 draw
5 Kd8 draw
6 Rb7 draw
7 Rd7 draw
8 Re7 draw
9 Rf1 draw
10 Rf2 draw
11 Rf4 draw
12 Rf5 draw
13 Rf6 draw
14 Rg7 draw
15 Rh7 draw
16 Kb7 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rf3 loss in 2 half-moves
19 Rf8 loss in 2 half-moves