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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kc1 loss in 2 half-moves
3 Kc3 loss in 2 half-moves
4 Kd4 loss in 2 half-moves
5 Ke1 loss in 2 half-moves
6 Ke3 loss in 2 half-moves
7 Ke4 loss in 2 half-moves
8 Ra4 loss in 2 half-moves
9 Rc1 loss in 2 half-moves
10 Rc3 loss in 2 half-moves
11 Rc5 loss in 2 half-moves
12 Rc6 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rc8 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Re4 loss in 2 half-moves
17 Rf4 loss in 2 half-moves
18 Rg4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves
20 K1c2 loss in 1 half-moves
21 K1d2 loss in 1 half-moves
22 K1e2 loss in 1 half-moves
23 K3c2 loss in 1 half-moves
24 K3d2 loss in 1 half-moves
25 K3e2 loss in 1 half-moves
26 Rc2 loss in 1 half-moves