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

EGTB: win in 4 half-moves

# move score
1 Ra1 win in 3 half-moves
2 Ra4 win in 3 half-moves
3 Ra2 draw
4 Ra3 draw
5 Ra5 draw
6 Ra6 draw
7 Rc7 draw
8 Rd7 draw
9 Re7 draw
10 Rh7 draw
11 K2c2 loss in 2 half-moves
12 K2c3 loss in 2 half-moves
13 K2e2 loss in 2 half-moves
14 K2e3 loss in 2 half-moves
15 K3c2 loss in 2 half-moves
16 K3c3 loss in 2 half-moves
17 K3e2 loss in 2 half-moves
18 K3e3 loss in 2 half-moves
19 Kc1 loss in 2 half-moves
20 Kc4 loss in 2 half-moves
21 Kd1 loss in 2 half-moves
22 Kd4 loss in 2 half-moves
23 Ke1 loss in 2 half-moves
24 Ke4 loss in 2 half-moves
25 Ra8 loss in 2 half-moves
26 Rb7 loss in 2 half-moves
27 Rf7 loss in 2 half-moves
28 Rg7 loss in 2 half-moves