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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Kc1 draw
6 Kc2 draw
7 Kc3 draw
8 Kd1 draw
9 Kd3 draw
10 Ke1 draw
11 Ke2 draw
12 Ke3 draw
13 Ra5 draw
14 Rb2 draw
15 Rb3 draw
16 Rb4 draw
17 Rb6 draw
18 Rf5 draw
19 Rb7 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Rc5 loss in 2 half-moves
22 Rd5 loss in 2 half-moves
23 Re5 loss in 2 half-moves
24 Rg5 loss in 2 half-moves
25 Rh5 loss in 2 half-moves