| Maia challenger |
Round |
Result |
H |
A |
| 05.12. |
|
Kolar / Vavas - Glass / Heliö |
F |
6-3, 6-4 |
2.00 |
1.71 |
| 04.12. |
|
Glass / Heliö - Begem / Olive |
SF |
6-3, 6-4 |
2.18 |
1.61 |
| 03.12. |
|
Glass / Heliö - Falca / Sousa |
QF |
6-3, 6-2 |
1.15 |
4.80 |
| 02.12. |
|
Glass / Heliö - Taber / Zapat |
R16 |
6-1, 6-3 |
1.26 |
3.54 |
| Ortisei challenger |
Round |
Result |
H |
A |
| 17.11. |
|
Glass / Lawso - Heliö / Nikla |
R16 |
5-7, 7-66, 10-8 |
1.51 |
2.45 |
| Bratislava challenger |
Round |
Result |
H |
A |
| 14.11. |
|
Heliö / Ruusu - Klein / Molca |
F |
6-4, 6-3 |
1.35 |
2.97 |
| 13.11. |
|
Heliö / Ruusu - Guina / Rinde |
SF |
7-62, 7-64 |
1.94 |
1.77 |
| 12.11. |
|
Heliö / Ruusu - Molch / Stakh |
QF |
4-6, 6-1, 10-4 |
1.98 |
1.72 |
| 11.11. |
|
Heliö / Ruusu - Cress / Hoang |
R16 |
7-67, 7-5 |
2.30 |
1.55 |
| Eckental challenger |
Round |
Result |
H |
A |
| 06.11. |
|
Brown / Hoang - Heliö / Rodio |
SF |
6-4, 7-63 |
1.58 |
2.26 |
| 05.11. |
|
Heliö / Rodio - Raja / Raman |
QF |
6-3, 63-7, 10-8 |
2.04 |
1.65 |
| 04.11. |
|
Heliö / Rodio - Drzew / Walko |
R16 |
7-66, 6-3 |
2.11 |
1.66 |
| Lisbon challenger |
Round |
Result |
H |
A |
| 17.10. |
|
Cid S / Olive - Heliö / Kolar |
F |
7-65, 4-6, 10-4 |
2.25 |
1.57 |
| 16.10. |
|
Heliö / Kolar - Tseng / Zuk K |
SF |
4-6, 6-1, 10-7 |
1.44 |
2.61 |
| 15.10. |
|
Heliö / Kolar - Glass / Lawso |
QF |
64-7, 6-4, 10-5 |
1.85 |
1.86 |
| 13.10. |
|
Heliö / Kolar - Cerre / Weiss |
R16 |
6-1, 6-4 |
1.29 |
3.31 |
| Barcelona challenger |
Round |
Result |
H |
A |
| 10.10. |
|
Walko / Weiss - Heliö / Lawso |
F |
6-1, 4-6, 10-8 |
2.31 |
1.55 |
| 09.10. |
|
Heliö / Lawso - Balaj / Marga |
SF |
7-5, 68-7, 10-7 |
1.70 |
2.03 |
| 08.10. |
|
Heliö / Lawso - Gallo / Reese |
QF |
1-6, 6-4, 10-2 |
1.73 |
1.99 |
| 06.10. |
|
Heliö / Lawso - Andre / Pla M |
R16 |
6-0, 6-4 |
1.07 |
7.07 |
| Biella challenger |
Round |
Result |
H |
A |
| 03.10. |
|
Heliö / Walko - Glass / Lawso |
F |
7-5, 6-3 |
|
|
| 03.10. |
|
Heliö / Walko - Frata / Harri |
SF |
6-3, 7-5 |
1.51 |
2.39 |
| 30.09. |
|
Heliö / Walko - Marto / Raman |
QF |
7-63, 6-4 |
1.94 |
1.71 |
| 29.09. |
|
Heliö / Walko - Busca / Carpa |
R16 |
6-0, 6-0 |
1.01 |
18.53 |
| Prostejov challenger |
Round |
Result |
H |
A |
| 08.09. |
|
Diez / Vega - Heliö / Molch |
R16 |
6-4, 6-4 |
2.59 |
1.42 |
| Ostrava challenger |
Round |
Result |
H |
A |
| 02.09. |
|
Arend / Pel D - Heliö / Molch |
R16 |
6-3, 3-6, 10-6 |
1.41 |
2.60 |
| Davis Cup |
Round |
Result |
H |
A |
| 07.03. |
|
Heliö / Konti - Gonza / Reyes |
|
6-3, 7-66 |
2.01 |
1.72 |
| Calgary challenger |
Round |
Result |
H |
A |
| 29.02. |
|
Broad / Clayt - Heliö / Nikla |
QF |
1-6, 7-65, 13-11 |
2.42 |
1.49 |
| 28.02. |
|
Heliö / Nikla - Cerre / Lovet |
R16 |
7-5, 6-3 |
1.68 |
2.00 |
| Drummondville challenger |
Round |
Result |
H |
A |
| 20.02. |
|
Johns / Johns - Heliö / Nikla |
R16 |
64-7, 6-4, 10-8 |
2.13 |
1.65 |
| Launceston challenger |
Round |
Result |
H |
A |
| 06.02. |
|
King / Lock - Heliö / Verbe |
QF |
6-4, 7-5 |
3.06 |
1.32 |
| 05.02. |
|
Heliö / Verbe - Delan / Purce |
R16 |
6-3, 4-6, 10-6 |
1.23 |
3.70 |
| Burnie challenger |
Round |
Result |
H |
A |
| 02.02. |
|
Heliö / Verbe - Marga / Vavas |
F |
7-65, 7-64 |
1.73 |
2.00 |
| 31.01. |
|
Heliö / Verbe - Gojo / Li Z. |
SF |
7-69, 6-3 |
1.57 |
2.20 |
| 30.01. |
|
Heliö / Verbe - Kavci / Safwa |
QF |
6-2, 6-1 |
1.42 |
2.54 |
| 29.01. |
|
Heliö / Verbe - Gucci / Reid |
R16 |
6-2, 5-7, 10-6 |
2.51 |
1.48 |
| Bangkok 2 challenger |
Round |
Result |
H |
A |
| 14.01. |
|
Golub / Nedov - Heliö / Pel D |
R16 |
6-2, 3-6, 10-6 |
2.05 |
1.69 |