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

EGTB: win in 2 half-moves

# move score
1 Rg1 win in 1 half-moves
2 Ka8 draw
3 Kc8 draw
4 Kg1 draw
5 Kg2 draw
6 Kg3 draw
7 Kh1 draw
8 Kh3 draw
9 Ra3 draw
10 Ra4 draw
11 Ra5 draw
12 Ra6 draw
13 Ra7 draw
14 Rd1 draw
15 Re1 draw
16 Rf1 draw
17 Rh1 draw
18 Ka7 loss in 2 half-moves
19 Kb7 loss in 2 half-moves
20 Kc7 loss in 2 half-moves
21 Ra2 loss in 1 half-moves
22 Ra8 loss in 1 half-moves
23 Rb1 loss in 1 half-moves
24 Rc1 loss in 1 half-moves