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 Kb4 draw
3 Kc5 draw
4 Kd3 draw
5 Kd4 draw
6 Kd5 draw
7 Kg6 draw
8 Kg7 draw
9 Kg8 draw
10 Kh6 draw
11 Kh8 draw
12 Ra3 draw
13 Rb3 draw
14 Rc1 draw
15 Rc2 draw
16 Rd3 draw
17 Re3 draw
18 Rf3 draw
19 Kb3 loss in 2 half-moves
20 Kb5 loss in 2 half-moves
21 Rh3 loss in 1 half-moves