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 Rb8 draw
3 Rc5 draw
4 Rd5 draw
5 Re5 draw
6 Rg5 draw
7 K1a2 loss in 2 half-moves
8 K1b2 loss in 2 half-moves
9 K1c2 loss in 2 half-moves
10 K3a2 loss in 2 half-moves
11 K3b2 loss in 2 half-moves
12 K3c2 loss in 2 half-moves
13 Ka1 loss in 2 half-moves
14 Ka3 loss in 2 half-moves
15 Ka4 loss in 2 half-moves
16 Kb4 loss in 2 half-moves
17 Kc1 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Kc4 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rb7 loss in 2 half-moves
23 Rf5 loss in 2 half-moves
24 Rh5 loss in 2 half-moves