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

EGTB: win in 4 half-moves

# move score
1 Rf1 win in 3 half-moves
2 Kf4 draw
3 Kf5 draw
4 Kf6 draw
5 Kgg4 draw
6 Kgg6 draw
7 Kgh4 draw
8 Kgh6 draw
9 Khg4 draw
10 Khg6 draw
11 Khh4 draw
12 Khh6 draw
13 Rd2 draw
14 Rd3 draw
15 Rd4 draw
16 Rd8 draw
17 Re1 draw
18 Rg1 draw
19 Rh1 draw
20 Ra1 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rc1 loss in 2 half-moves
23 Rd5 loss in 2 half-moves
24 Rd6 loss in 2 half-moves
25 Rd7 loss in 2 half-moves