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 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Ka7 draw
6 Ka8 draw
7 Kb6 draw
8 Kb7 draw
9 Kc5 draw
10 Kc6 draw
11 Kc7 draw
12 Kc8 draw
13 Ra4 draw
14 Rc4 draw
15 Kc4 loss in 2 half-moves
16 Rb1 loss in 2 half-moves
17 Rb2 loss in 2 half-moves
18 Rb3 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rf4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves