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 Rc4 win in 3 half-moves
3 Rd4 win in 3 half-moves
4 Ra4 draw
5 Re4 draw
6 Rh1 draw
7 Rh7 draw
8 Rh8 draw
9 K6b6 loss in 2 half-moves
10 K6b7 loss in 2 half-moves
11 K6d6 loss in 2 half-moves
12 K6d7 loss in 2 half-moves
13 K7b6 loss in 2 half-moves
14 K7b7 loss in 2 half-moves
15 K7d6 loss in 2 half-moves
16 K7d7 loss in 2 half-moves
17 Kb5 loss in 2 half-moves
18 Kb8 loss in 2 half-moves
19 Kc5 loss in 2 half-moves
20 Kc8 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Kd8 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rh2 loss in 2 half-moves
26 Rh3 loss in 2 half-moves
27 Rh5 loss in 2 half-moves
28 Rh6 loss in 2 half-moves