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 Kab6 draw
3 Kbb6 draw
4 Kc5 draw
5 Kc6 draw
6 Ra2 draw
7 Ra3 draw
8 Rb4 draw
9 Rc4 draw
10 Ra1 loss in 2 half-moves
11 Rd4 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Rg4 loss in 2 half-moves
14 Rh4 loss in 2 half-moves
15 Kaa6 loss in 1 half-moves
16 Kab4 loss in 1 half-moves
17 Kba6 loss in 1 half-moves
18 Kbb4 loss in 1 half-moves
19 Kc4 loss in 1 half-moves