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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Rb2 win in 1 half-moves
3 Rb3 win in 1 half-moves
4 Kb7 draw
5 Kc7 draw
6 Kd7 draw
7 Kd8 draw
8 Kg1 draw
9 Ra8 draw
10 Rb5 draw
11 Rb6 draw
12 Rb7 draw
13 Kg2 loss in 1 half-moves
14 Kh2 loss in 1 half-moves
15 Rb4 loss in 1 half-moves