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 Kb4 draw
3 Kbb3 draw
4 Kbc2 draw
5 Kc4 draw
6 Kcb3 draw
7 Kcc2 draw
8 Kd2 draw
9 Kd4 draw
10 Ra1 draw
11 Ra2 draw
12 Ra4 draw
13 Ra5 draw
14 Ra6 draw
15 Ka1 loss in 1 half-moves
16 Ka2 loss in 1 half-moves
17 Kb1 loss in 1 half-moves
18 Kc1 loss in 1 half-moves
19 Kd3 loss in 1 half-moves
20 Ra7 loss in 1 half-moves
21 Rb3 loss in 1 half-moves