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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Ra2 win in 7 half-moves
3 Kb2 draw
4 Kb3 draw
5 Kb4 draw
6 Kc2 draw
7 Kc4 draw
8 Kd2 draw
9 Kd3 draw
10 Kd4 draw
11 Ke1 draw
12 Ke2 draw
13 Kf2 draw
14 Kg1 draw
15 Kg2 draw
16 Ra1 draw
17 Ra7 draw
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra8 loss in 2 half-moves