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 Rb6 draw
3 Rb7 draw
4 Rb8 draw
5 Rd4 draw
6 Re4 draw
7 Rg4 draw
8 Rh4 draw
9 Ka2 loss in 2 half-moves
10 Ka3 loss in 2 half-moves
11 Ka4 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kc2 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kc8 loss in 2 half-moves
18 Kd7 loss in 2 half-moves
19 Ke7 loss in 2 half-moves
20 Ke8 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Rb5 loss in 2 half-moves
23 Rc4 loss in 2 half-moves