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

EGTB: win in 4 half-moves

# move score
1 Rg1 win in 3 half-moves
2 Ra2 draw
3 Ra3 draw
4 Ra4 draw
5 Ra7 draw
6 Rd1 draw
7 Re1 draw
8 Rf1 draw
9 Rh1 draw
10 K4g4 loss in 2 half-moves
11 K4g5 loss in 2 half-moves
12 K5g4 loss in 2 half-moves
13 K5g5 loss in 2 half-moves
14 Kg3 loss in 2 half-moves
15 Kg6 loss in 2 half-moves
16 Kh3 loss in 2 half-moves
17 Kh6 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Ra8 loss in 2 half-moves
21 Rb1 loss in 2 half-moves
22 Rc1 loss in 2 half-moves