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 Kb4 draw
3 Kb5 draw
4 Kb6 draw
5 Kc4 draw
6 Kc6 draw
7 Kd4 draw
8 Kd5 draw
9 Kd6 draw
10 Rd4 draw
11 Re3 draw
12 Re5 draw
13 Re7 draw
14 Re8 draw
15 Rf4 draw
16 Ra4 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rh4 loss in 2 half-moves