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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rd2 win in 3 half-moves
3 Ra2 draw
4 Rc2 draw
5 Re2 draw
6 Rf4 draw
7 Rf5 draw
8 Rf6 draw
9 Rf8 draw
10 K1b2 loss in 2 half-moves
11 K1c2 loss in 2 half-moves
12 K1d2 loss in 2 half-moves
13 K3b2 loss in 2 half-moves
14 K3c2 loss in 2 half-moves
15 K3d2 loss in 2 half-moves
16 Kb1 loss in 2 half-moves
17 Kb3 loss in 2 half-moves
18 Kb4 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Kd1 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Rf1 loss in 2 half-moves
24 Rf3 loss in 2 half-moves
25 Rf7 loss in 2 half-moves
26 Rg2 loss in 2 half-moves
27 Rh2 loss in 2 half-moves