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 Rb3 draw
8 Rb4 draw
9 Rb7 draw
10 Rc8 draw
11 Rb5 loss in 16 half-moves
12 Rb2 loss in 4 half-moves
13 Rb1 loss in 2 half-moves
14 Rb6 loss in 2 half-moves