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 Ka1 draw
3 Ka3 draw
4 Ka5 draw
5 Ka7 draw
6 Kb1 draw
7 Kb2 draw
8 Kb3 draw
9 Kb5 draw
10 Kb6 draw
11 Kb7 draw
12 Ra4 draw
13 Rc4 draw
14 Rd4 draw
15 Re1 draw
16 Re2 draw
17 Re3 draw
18 Re8 draw
19 Re5 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rg4 loss in 2 half-moves
24 Rh4 loss in 2 half-moves