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 Ka7 draw
3 Ka8 draw
4 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Kc6 draw
8 Kc7 draw
9 Kc8 draw
10 Kd5 draw
11 Kd6 draw
12 Ra4 draw
13 Rb4 draw
14 Rf3 draw
15 Rf5 draw
16 Rf6 draw
17 Rf7 draw
18 Rf8 draw
19 Rh4 draw
20 Kb4 loss in 2 half-moves
21 Kc4 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Rc4 loss in 2 half-moves
24 Rd4 loss in 2 half-moves
25 Re4 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rf2 loss in 2 half-moves