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 Rb2 draw
3 Rb3 draw
4 Rb8 draw
5 Rd7 draw
6 Re7 draw
7 Rf7 draw
8 Rh7 draw
9 K2c2 loss in 2 half-moves
10 K2c3 loss in 2 half-moves
11 K2e2 loss in 2 half-moves
12 K2e3 loss in 2 half-moves
13 K3c2 loss in 2 half-moves
14 K3c3 loss in 2 half-moves
15 K3e2 loss in 2 half-moves
16 K3e3 loss in 2 half-moves
17 Kc1 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Kd1 loss in 2 half-moves
20 Kd4 loss in 2 half-moves
21 Ke1 loss in 2 half-moves
22 Ke4 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Rb4 loss in 2 half-moves
25 Rb5 loss in 2 half-moves
26 Rb6 loss in 2 half-moves
27 Rc7 loss in 2 half-moves
28 Rg7 loss in 2 half-moves