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 win in 5 half-moves
3 Rb3 win in 5 half-moves
4 Rb8 win in 7 half-moves
5 K1b2 draw
6 K3b2 draw
7 Rb2 draw
8 Re5 draw
9 Rg5 draw
10 Rh5 draw
11 Kb1 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kb4 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kd1 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Ra5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rc5 loss in 2 half-moves
22 Rd5 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 K1c2 loss in 1 half-moves
25 K1d2 loss in 1 half-moves
26 K3c2 loss in 1 half-moves
27 K3d2 loss in 1 half-moves