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 Kb7 draw
6 Kb8 draw
7 Kc4 draw
8 Kc6 draw
9 Kc7 draw
10 Kd5 draw
11 Kd6 draw
12 Kd7 draw
13 Kd8 draw
14 Rd4 draw
15 Re4 draw
16 Rf1 draw
17 Rf2 draw
18 Rf3 draw
19 Ra4 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rf5 loss in 2 half-moves
23 Rf6 loss in 2 half-moves
24 Rf7 loss in 2 half-moves
25 Rf8 loss in 2 half-moves
26 Rh4 loss in 2 half-moves
27 Kd4 loss in 1 half-moves