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

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Rb1 win in 3 half-moves
3 Kb1 win in 5 half-moves
4 Kc3 win in 5 half-moves
5 Kc4 win in 5 half-moves
6 Kdc2 win in 5 half-moves
7 Kdd2 win in 5 half-moves
8 Ra3 win in 5 half-moves
9 Kd1 win in 9 half-moves
10 Kd4 win in 9 half-moves
11 Ra5 win in 9 half-moves
12 Ra7 win in 9 half-moves
13 Ra8 win in 9 half-moves
14 Ra6 draw
15 Kb2 loss in 2 half-moves
16 Kcc2 loss in 2 half-moves
17 Kcd2 loss in 2 half-moves
18 Ke2 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ra2 loss in 2 half-moves