Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Ra4 win in 3 half-moves
2 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Ka7 draw
6 Kb6 draw
7 Kb7 draw
8 Kb8 draw
9 Kc4 draw
10 Kc5 draw
11 Kc6 draw
12 Rb4 draw
13 Rc4 draw
14 Rd4 draw
15 Re3 draw
16 Re5 draw
17 Re6 draw
18 Re7 draw
19 Re8 draw
20 Kb4 loss in 2 half-moves
21 Re1 loss in 2 half-moves
22 Re2 loss in 2 half-moves
23 Rf4 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rh4 loss in 2 half-moves