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

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Kf7 draw
5 Kf8 draw
6 Kgg8 draw
7 Kgh8 draw
8 Khg8 draw
9 Khh8 draw
10 Ra4 draw
11 Rb5 draw
12 Rc4 draw
13 Rd4 draw
14 Rh4 draw
15 Kf6 loss in 2 half-moves
16 Kgg6 loss in 2 half-moves
17 Kgh6 loss in 2 half-moves
18 Khg6 loss in 2 half-moves
19 Khh6 loss in 2 half-moves
20 Rb1 loss in 2 half-moves
21 Rb2 loss in 2 half-moves
22 Rb3 loss in 2 half-moves
23 Re4 loss in 2 half-moves
24 Rf4 loss in 2 half-moves
25 Rg4 loss in 2 half-moves