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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Ra4 draw
3 Rb4 draw
4 Rc4 draw
5 Rd4 draw
6 Re4 draw
7 Rg1 draw
8 Rg2 draw
9 Rg3 draw
10 Rg8 draw
11 Kaa2 loss in 2 half-moves
12 Kaa4 loss in 2 half-moves
13 Kab2 loss in 2 half-moves
14 Kab4 loss in 2 half-moves
15 Kba2 loss in 2 half-moves
16 Kba4 loss in 2 half-moves
17 Kbb2 loss in 2 half-moves
18 Kbb4 loss in 2 half-moves
19 Kc2 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Kc4 loss in 2 half-moves
22 Rg5 loss in 2 half-moves
23 Rg6 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh4 loss in 2 half-moves