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

EGTB: win in 2 half-moves

# move score
1 Re8 win in 1 half-moves
2 Rb8 win in 3 half-moves
3 Rc8 win in 5 half-moves
4 Rd8 win in 5 half-moves
5 Rf1 draw
6 Rf2 draw
7 Rf3 draw
8 Rf4 draw
9 K6a7 loss in 2 half-moves
10 K6b7 loss in 2 half-moves
11 K8a7 loss in 2 half-moves
12 K8b7 loss in 2 half-moves
13 Ka5 loss in 2 half-moves
14 Kb5 loss in 2 half-moves
15 Kb6 loss in 2 half-moves
16 Kb8 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves