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

EGTB: win in 4 half-moves

# move score
1 Re4 win in 3 half-moves
2 Re7 win in 3 half-moves
3 Ra1 draw
4 Re5 draw
5 Re6 draw
6 Re8 draw
7 Rg1 draw
8 Rh1 draw
9 Kb2 loss in 2 half-moves
10 Kb3 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Kb7 loss in 2 half-moves
13 Kb8 loss in 2 half-moves
14 Kc2 loss in 2 half-moves
15 Kc4 loss in 2 half-moves
16 Kc7 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Kd7 loss in 2 half-moves
21 Kd8 loss in 2 half-moves
22 Rb1 loss in 2 half-moves
23 Rc1 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Re2 loss in 2 half-moves
26 Re3 loss in 2 half-moves
27 Rf1 loss in 2 half-moves