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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Rb1 draw
3 Rb5 draw
4 Rb6 draw
5 Rb7 draw
6 Rb8 draw
7 Kb3 loss in 2 half-moves
8 Kc3 loss in 2 half-moves
9 Kd2 loss in 2 half-moves
10 Kd3 loss in 2 half-moves
11 Kg4 loss in 2 half-moves
12 Kg5 loss in 2 half-moves
13 Kg6 loss in 2 half-moves
14 Kh4 loss in 2 half-moves
15 Kh6 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Kb1 loss in 1 half-moves
19 Kc1 loss in 1 half-moves
20 Kd1 loss in 1 half-moves