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

EGTB: win in 2 half-moves

# move score
1 Rc1 win in 1 half-moves
2 Rd1 win in 1 half-moves
3 Ka5 draw
4 Ka7 draw
5 Kb6 draw
6 Kc7 draw
7 Kc8 draw
8 Ke8 draw
9 Ra2 draw
10 Ra3 draw
11 Ra4 draw
12 Ra5 draw
13 Rb1 draw
14 Rf1 draw
15 Rg1 draw
16 Rh1 draw
17 Kb5 loss in 2 half-moves
18 Kb7 loss in 2 half-moves
19 Kd7 loss in 1 half-moves
20 Ke7 loss in 1 half-moves
21 Re1 loss in 1 half-moves