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

EGTB: win in 2 half-moves

# move score
1 Rh8 win in 1 half-moves
2 Rg8 win in 3 half-moves
3 Rf1 draw
4 Rf2 draw
5 Rf3 draw
6 Rf5 draw
7 Ka6 loss in 2 half-moves
8 Ka7 loss in 2 half-moves
9 Ka8 loss in 2 half-moves
10 Kb6 loss in 2 half-moves
11 Kbb8 loss in 2 half-moves
12 Kbc7 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kcb8 loss in 2 half-moves
15 Kcc7 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rf7 loss in 2 half-moves