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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Re2 win in 1 half-moves
3 K7g7 draw
4 K8g7 draw
5 K8g8 draw
6 Ra1 draw
7 Ra6 draw
8 Ra7 draw
9 Ra8 draw
10 Rb2 draw
11 Rc2 draw
12 Rg2 draw
13 Rh2 draw
14 K7g8 loss in 2 half-moves
15 Kg6 loss in 2 half-moves
16 Kh6 loss in 2 half-moves
17 Ra3 loss in 1 half-moves
18 Ra5 loss in 1 half-moves
19 Rd2 loss in 1 half-moves
20 Rf2 loss in 1 half-moves