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 Ra4 draw
12 Rc4 draw
13 Rd4 draw
14 Re1 draw
15 Re2 draw
16 Re3 draw
17 Re8 draw
18 Kb7 loss in 2 half-moves
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