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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kc3 draw
3 Kc4 draw
4 Kd3 draw
5 Kd5 draw
6 Ke3 draw
7 Ke4 draw
8 Rb1 draw
9 Rb2 draw
10 Rb3 draw
11 Rb5 draw
12 Rb6 draw
13 Rb7 draw
14 Kc5 loss in 2 half-moves
15 Ke5 loss in 2 half-moves
16 Kg7 loss in 1 half-moves
17 Kg8 loss in 1 half-moves
18 Kh7 loss in 1 half-moves
19 Ra4 loss in 1 half-moves
20 Rc4 loss in 1 half-moves