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

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Kc4 draw
3 Kc5 draw
4 Kd4 draw
5 Ke5 draw
6 Ke6 draw
7 Ra4 draw
8 Re1 draw
9 Re2 draw
10 Re3 draw
11 Re5 draw
12 Re6 draw
13 Kc6 loss in 2 half-moves
14 Kd6 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves