Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rg4 win in 3 half-moves
2 Rh4 win in 3 half-moves
3 Rb3 draw
4 Rb7 draw
5 Rb8 draw
6 Rd4 draw
7 Re4 draw
8 Rf4 draw
9 Kc6 loss in 2 half-moves
10 Kc7 loss in 2 half-moves
11 Kc8 loss in 2 half-moves
12 Kd6 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Ke6 loss in 2 half-moves
15 Ke7 loss in 2 half-moves
16 Ke8 loss in 2 half-moves
17 Kg6 loss in 2 half-moves
18 Kg7 loss in 2 half-moves
19 Kg8 loss in 2 half-moves
20 Kh6 loss in 2 half-moves
21 Kh8 loss in 2 half-moves
22 Ra4 loss in 2 half-moves
23 Rb1 loss in 2 half-moves
24 Rb2 loss in 2 half-moves
25 Rb5 loss in 2 half-moves
26 Rb6 loss in 2 half-moves
27 Rc4 loss in 2 half-moves