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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kd7 draw
5 Ke1 draw
6 Ke2 draw
7 Ke8 draw
8 Kf2 draw
9 Kg1 draw
10 Kg2 draw
11 Rb1 draw
12 Rc2 draw
13 Rc3 draw
14 Rc4 draw
15 Rc5 draw
16 Rc6 draw
17 Rc8 draw
18 Rd1 draw
19 Re1 draw
20 Ke7 loss in 2 half-moves
21 Rc7 loss in 2 half-moves