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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Kb8 win in 1 half-moves
3 Rf1 win in 1 half-moves
4 Rb7 draw
5 Re7 loss in 8 half-moves
6 Rf8 loss in 8 half-moves
7 Rg7 loss in 8 half-moves
8 Rh7 loss in 8 half-moves
9 Ka8 loss in 4 half-moves
10 Ka6 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Rd7 loss in 2 half-moves
13 Rf2 loss in 2 half-moves
14 Rf3 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rf5 loss in 2 half-moves
17 Rf6 loss in 2 half-moves
18 Kb7 loss in 1 half-moves