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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Kab7 draw
3 Kab8 draw
4 Kcb7 draw
5 Kcb8 draw
6 Kd7 draw
7 Kd8 draw
8 Rb7 draw
9 Rf1 draw
10 Rf2 draw
11 Rf6 draw
12 Rf8 draw
13 Rg7 draw
14 Rh7 draw
15 Ka7 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Rc7 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rf5 loss in 2 half-moves