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 Kc1 draw
3 Kc2 draw
4 Kc3 draw
5 Kd1 draw
6 Kd3 draw
7 Ke2 draw
8 Ke3 draw
9 Ra1 draw
10 Rc1 draw
11 Rd1 draw
12 Re2 draw
13 Re3 draw
14 Re4 draw
15 Re5 draw
16 Re7 draw
17 Re8 draw
18 Rf1 draw
19 Rh1 draw
20 Re6 loss in 2 half-moves
21 Rg1 loss in 2 half-moves