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 Kf8 win in 5 half-moves
5 Kf7 draw
6 Kg6 draw
7 Kgg7 draw
8 Kgh8 draw
9 Kh6 draw
10 Khg7 draw
11 Khh8 draw
12 Ra4 draw
13 Rb3 draw
14 Rb5 draw
15 Rc4 draw
16 Rd4 draw
17 Re4 draw
18 Rb1 loss in 2 half-moves
19 Rb2 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves