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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Ka1 draw
3 Ka3 draw
4 Kb1 draw
5 Kb2 draw
6 Kb7 draw
7 Kc7 draw
8 Kd7 draw
9 Kd8 draw
10 Ra8 draw
11 Rb5 draw
12 Rb6 draw
13 Rb7 draw
14 Kb3 loss in 2 half-moves
15 Rb1 loss in 2 half-moves
16 Rb2 loss in 2 half-moves
17 Rb3 loss in 2 half-moves