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

EGTB: win in 4 half-moves

# move score
1 Rb5 win in 3 half-moves
2 Rb8 win in 3 half-moves
3 Rb4 draw
4 Rb6 draw
5 Rb7 draw
6 Re3 draw
7 Rf3 draw
8 Rg3 draw
9 Rh3 draw
10 K6c6 loss in 2 half-moves
11 K6c7 loss in 2 half-moves
12 K6e6 loss in 2 half-moves
13 K6e7 loss in 2 half-moves
14 K7c6 loss in 2 half-moves
15 K7c7 loss in 2 half-moves
16 K7e6 loss in 2 half-moves
17 K7e7 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kc8 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Kd8 loss in 2 half-moves
22 Ke5 loss in 2 half-moves
23 Ke8 loss in 2 half-moves
24 Ra3 loss in 2 half-moves
25 Rb1 loss in 2 half-moves
26 Rb2 loss in 2 half-moves
27 Rc3 loss in 2 half-moves
28 Rd3 loss in 2 half-moves