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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Rb1 draw
3 Rb2 draw
4 Rb3 draw
5 Rb5 draw
6 Rb6 draw
7 Rd7 draw
8 Re7 draw
9 Rf7 draw
10 Rh7 draw
11 Kc1 loss in 2 half-moves
12 Kc3 loss in 2 half-moves
13 Kc4 loss in 2 half-moves
14 Kd4 loss in 2 half-moves
15 Ke1 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rb8 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 K1c2 loss in 1 half-moves
23 K1d2 loss in 1 half-moves
24 K1e2 loss in 1 half-moves
25 K3c2 loss in 1 half-moves
26 K3d2 loss in 1 half-moves
27 K3e2 loss in 1 half-moves