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 Kc4 win in 3 half-moves
3 Rb8 draw
4 Kaa2 loss in 2 half-moves
5 Kaa4 loss in 2 half-moves
6 Kab2 loss in 2 half-moves
7 Kba2 loss in 2 half-moves
8 Kba4 loss in 2 half-moves
9 Kbb2 loss in 2 half-moves
10 Kc2 loss in 2 half-moves
11 Kc3 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb7 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rg4 loss in 2 half-moves
20 Rh4 loss in 2 half-moves