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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Kc4 draw
3 Kc5 draw
4 Kc6 draw
5 Kd4 draw
6 Ke4 draw
7 Ke5 draw
8 Kg1 draw
9 Kg2 draw
10 Kh2 draw
11 Ra2 draw
12 Ra3 draw
13 Ra4 draw
14 Ra6 draw
15 Rb5 draw
16 Rc5 draw
17 Kd6 loss in 2 half-moves
18 Ke6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Ra8 loss in 2 half-moves