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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rb1 draw
3 Rb3 draw
4 Rb4 draw
5 Rd8 draw
6 Re8 draw
7 Rf8 draw
8 Rg8 draw
9 K3c3 loss in 2 half-moves
10 K3c4 loss in 2 half-moves
11 K3e3 loss in 2 half-moves
12 K3e4 loss in 2 half-moves
13 K4c3 loss in 2 half-moves
14 K4c4 loss in 2 half-moves
15 K4e3 loss in 2 half-moves
16 K4e4 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kd2 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Ke2 loss in 2 half-moves
22 Ke5 loss in 2 half-moves
23 Ra8 loss in 2 half-moves
24 Rb5 loss in 2 half-moves
25 Rb6 loss in 2 half-moves
26 Rb7 loss in 2 half-moves
27 Rc8 loss in 2 half-moves
28 Rh8 loss in 2 half-moves