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 Kb3 draw
3 Kb4 draw
4 Kc3 draw
5 Kd3 draw
6 Kd4 draw
7 Ra3 draw
8 Rc3 draw
9 Re4 draw
10 Re5 draw
11 Re6 draw
12 Re7 draw
13 Kb5 loss in 2 half-moves
14 Kc5 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Rb3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Re2 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves