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

EGTB: win in 2 half-moves

# move score
1 Rg3 win in 1 half-moves
2 Ka3 draw
3 Ka4 draw
4 Kb3 draw
5 Kc3 draw
6 Kc4 draw
7 Rb3 draw
8 Rc3 draw
9 Rd3 draw
10 Re2 draw
11 Re4 draw
12 Re5 draw
13 Rf3 draw
14 Rh3 draw
15 Ka5 loss in 2 half-moves
16 Kb5 loss in 2 half-moves
17 Kc5 loss in 2 half-moves
18 Ra3 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Re1 loss in 1 half-moves