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 Kb7 draw
3 Kc1 draw
4 Kc2 draw
5 Kc7 draw
6 Kd2 draw
7 Kd7 draw
8 Kd8 draw
9 Rb1 draw
10 Rb5 draw
11 Rb6 draw
12 Rb7 draw
13 Ke1 loss in 2 half-moves
14 Ke2 loss in 2 half-moves
15 Rb2 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves