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 Rc3 win in 3 half-moves
3 Kb1 draw
4 Kb2 draw
5 Kc2 draw
6 Kd1 draw
7 Kd2 draw
8 Ke1 draw
9 Ke2 draw
10 Kf2 draw
11 Kg1 draw
12 Kg2 draw
13 Ra3 draw
14 Rd3 draw
15 Rh1 draw
16 Rh2 draw
17 Rh4 draw
18 Rh6 draw
19 Rh7 draw
20 Re3 loss in 2 half-moves
21 Rf3 loss in 2 half-moves
22 Rg3 loss in 2 half-moves
23 Rh5 loss in 2 half-moves
24 Rh8 loss in 2 half-moves