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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kb4 draw
5 Kb5 draw
6 Kb6 draw
7 Kc2 draw
8 Kc4 draw
9 Kc6 draw
10 Kd1 draw
11 Kd2 draw
12 Kd4 draw
13 Ra3 draw
14 Rc3 draw
15 Rd3 draw
16 Re1 draw
17 Re2 draw
18 Re4 draw
19 Re8 draw
20 Kd5 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Re5 loss in 2 half-moves
23 Re6 loss in 2 half-moves
24 Re7 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rh3 loss in 2 half-moves