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

EGTB: win in 2 half-moves

# move score
1 Rc1 win in 1 half-moves
2 Kd7 draw
3 Kd8 draw
4 Ke1 draw
5 Ke2 draw
6 Ke7 draw
7 Kf2 draw
8 Kg1 draw
9 Kg2 draw
10 Ra2 draw
11 Ra3 draw
12 Ra4 draw
13 Ra5 draw
14 Ra6 draw
15 Ra8 draw
16 Rb1 draw
17 Rd1 draw
18 Re1 draw
19 Kf7 loss in 2 half-moves
20 Kf8 loss in 2 half-moves
21 Ra7 loss in 2 half-moves