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

EGTB: win in 2 half-moves

# move score
1 Rb1 win in 1 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kd7 draw
5 Ke1 draw
6 Ke2 draw
7 Ke7 draw
8 Ke8 draw
9 Kf2 draw
10 Kg1 draw
11 Kg2 draw
12 Ra2 draw
13 Ra3 draw
14 Ra4 draw
15 Ra8 draw
16 Rc1 draw
17 Rd1 draw
18 Re1 draw
19 Ra5 loss in 2 half-moves
20 Ra6 loss in 2 half-moves
21 Ra7 loss in 2 half-moves