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

EGTB: win in 4 half-moves

# move score
1 Rd4 win in 3 half-moves
2 Re4 draw
3 Rf5 draw
4 Rf6 draw
5 Rf7 draw
6 Rf8 draw
7 Ka4 loss in 2 half-moves
8 Ka5 loss in 2 half-moves
9 Ka6 loss in 2 half-moves
10 Kb3 loss in 2 half-moves
11 Kb6 loss in 2 half-moves
12 Kbb4 loss in 2 half-moves
13 Kbc5 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kcb4 loss in 2 half-moves
17 Kcc5 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Rf1 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rf3 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rh4 loss in 2 half-moves