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

EGTB: win in 2 half-moves

# move score
1 Rf7 win in 1 half-moves
2 Rf8 win in 1 half-moves
3 Ra6 draw
4 Rb6 draw
5 Rc6 draw
6 Rd6 draw
7 Re6 draw
8 Rf3 draw
9 Kb7 loss in 2 half-moves
10 Kb8 loss in 2 half-moves
11 Kc7 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Rf1 loss in 2 half-moves
15 Rf2 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rg6 loss in 2 half-moves
19 Rh6 loss in 2 half-moves