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 Kb1 draw
3 Kb2 draw
4 Kb3 draw
5 Kb7 draw
6 Kc1 draw
7 Kc7 draw
8 Kd1 draw
9 Kd2 draw
10 Ra8 draw
11 Rb1 draw
12 Rb2 draw
13 Rb3 draw
14 Kc3 loss in 2 half-moves
15 Kd3 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Kd8 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves