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

EGTB: win in 4 half-moves

# move score
1 Rf8 win in 3 half-moves
2 Kf7 draw
3 Kf8 draw
4 Kgh8 draw
5 Khg7 draw
6 Khh8 draw
7 Ra8 draw
8 Rb1 draw
9 Rb6 draw
10 Rb7 draw
11 Rc8 draw
12 Rd8 draw
13 Re8 draw
14 Kg6 loss in 2 half-moves
15 Kgg7 loss in 2 half-moves
16 Kh6 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rb4 loss in 2 half-moves
20 Rb5 loss in 2 half-moves