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