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 Ka2 draw
3 Ka3 draw
4 Kb2 draw
5 Kc2 draw
6 Kc3 draw
7 Kd7 draw
8 Ke7 draw
9 Ke8 draw
10 Rd4 draw
11 Re1 draw
12 Re2 draw
13 Re3 draw
14 Re5 draw
15 Re8 draw
16 Rf4 draw
17 Rh4 draw
18 Ka4 loss in 2 half-moves
19 Kb4 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kc7 loss in 2 half-moves
22 Kc8 loss in 2 half-moves
23 Ra4 loss in 2 half-moves
24 Rb4 loss in 2 half-moves
25 Rc4 loss in 2 half-moves
26 Re6 loss in 2 half-moves
27 Re7 loss in 2 half-moves