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 draw
3 Rd4 draw
4 Re5 draw
5 Re6 draw
6 Re7 draw
7 Re8 draw
8 Rh4 draw
9 K2a3 loss in 2 half-moves
10 K2b3 loss in 2 half-moves
11 K4a3 loss in 2 half-moves
12 K4b3 loss in 2 half-moves
13 Ka1 loss in 2 half-moves
14 Ka5 loss in 2 half-moves
15 Kb1 loss in 2 half-moves
16 Kb2 loss in 2 half-moves
17 Kb4 loss in 2 half-moves
18 Kb5 loss in 2 half-moves
19 Re1 loss in 2 half-moves
20 Re2 loss in 2 half-moves
21 Re3 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rg4 loss in 2 half-moves