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

EGTB: win in 2 half-moves

# move score
1 Rb2 win in 1 half-moves
2 Kd7 draw
3 Rb1 draw
4 Rb3 draw
5 Rb5 draw
6 Rb6 draw
7 Rb7 draw
8 Kc7 loss in 2 half-moves
9 Kc8 loss in 2 half-moves
10 Ke7 loss in 2 half-moves
11 Ke8 loss in 2 half-moves
12 Kg2 loss in 1 half-moves
13 Kg3 loss in 1 half-moves
14 Kg4 loss in 1 half-moves
15 Kh2 loss in 1 half-moves
16 Kh4 loss in 1 half-moves
17 Ra8 loss in 1 half-moves
18 Rb4 loss in 1 half-moves
19 Rc8 loss in 1 half-moves