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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kg7 draw
5 Kh5 draw
6 Kh7 draw
7 Rb6 draw
8 Rb7 draw
9 Rc8 draw
10 Rg8 draw
11 Rh8 draw
12 Kg5 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Rb2 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf8 loss in 2 half-moves