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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kd7 draw
5 Ke7 draw
6 Ke8 draw
7 Kg1 draw
8 Kg2 draw
9 Kh1 draw
10 Rb1 draw
11 Rb2 draw
12 Rb7 draw
13 Rc8 draw
14 Kg3 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves