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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb4 win in 3 half-moves
3 Rb2 win in 5 half-moves
4 Rb3 win in 5 half-moves
5 Ra7 draw
6 Rb5 draw
7 Rb6 draw
8 Rd7 draw
9 Re7 draw
10 Rf7 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 Rb8 loss in 2 half-moves
26 Rc7 loss in 2 half-moves
27 Rg7 loss in 2 half-moves
28 Rh7 loss in 2 half-moves